Health insurers and the federal government are both putting pressure on hospitals to shorten the average length of stay (LOS) of their patients. The average LOS in the United States is 4.6 days (Healthcare Cost and Utilization Project Statistical Brief, December 2018). A random sample of 22 hospitals in one state had a mean LOS of 3.6 days and a standard deviation of 2.1 days. Assume that the sampled population is approximately normal. Complete parts a through c. Question content area bottom Part 1 a. Use a 99% confidence interval to estimate the population mean LOS for the state's hospitals. enter your response here, enter your response here (Round to three decimal places as needed.)

Question

Health insurers and the federal government are both putting pressure on hospitals to shorten the average length of stay (LOS) of their patients. The average LOS in the United States is 4.6 days

(Healthcare

Cost and Utilization Project Statistical

Brief,

December 2018). A random sample of

22

hospitals in one state had a mean LOS of

3.6

days and a standard deviation of

2.1

days. Assume that the sampled population is approximately normal. Complete parts a through c.

Question content area bottom

Part 1

a. Use a

99%

confidence interval to estimate the population mean LOS for the state's hospitals.

enter your response here, enter your response here

(Round to three decimal places as needed.)

Answer 1

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Answer 22

Follow-up Questions

Read through expert solutions to related follow-up questions below.

Follow-up Question

What is meant by the phrase

"99%

confidence interval" in this exercise?

The phrase

"99%

confidence interval" means that if many intervals were constructed using the same methods and the same

▼

sample size,

sample variance,

population variance,

sample mean,

population mean,

sample standard deviation,

population standard deviation,

then

enter your response here%

of those intervals would contain the true

▼

population variance.

population standard deviation.

sample variance.

population mean.

sample standard deviation.

sample mean.

sample size.

Solution

by Bartleby Expert

SEE SOLUTION

Follow-up Question

The phrase

"99%

confidence interval" means that if many intervals were constructed using the same methods and the same

▼

sample size,

sample variance,

population variance,

sample mean,

population mean,

sample standard deviation,

population standard deviation,

then

enter your response here%

of those intervals would contain the true

▼

population variance.

population standard deviation.

sample variance.

population mean.

sample standard deviation.

sample mean.

sample size.

Solution

by Bartleby Expert

SEE SOLUTION

Follow-up Question

Interpret the interval in terms of this application. Choose the correct answer below.

A.

The state is confident that

99%

of its mean LOS is described by this interval.

B.

The state can be

1%

confident that its mean LOS is within this interval.

C.

The state can be

99%

confident that its mean LOS is outside this interval.

D.

The state can be

99%

confident that its mean LOS is

3.6

days.

E.

The state can be

99%

confident that its mean LOS is within this interval.

Solution

by Bartleby Expert

SEE SOLUTION

Answer 23

Read through expert solutions to related follow-up questions below.

Follow-up Question

What is meant by the phrase

"99%

confidence interval" in this exercise?

The phrase

"99%

confidence interval" means that if many intervals were constructed using the same methods and the same

▼

sample size,

sample variance,

population variance,

sample mean,

population mean,

sample standard deviation,

population standard deviation,

then

enter your response here%

of those intervals would contain the true

▼

population variance.

population standard deviation.

sample variance.

population mean.

sample standard deviation.

sample mean.

sample size.

Solution

by Bartleby Expert

SEE SOLUTION

Follow-up Question

The phrase

"99%

confidence interval" means that if many intervals were constructed using the same methods and the same

▼

sample size,

sample variance,

population variance,

sample mean,

population mean,

sample standard deviation,

population standard deviation,

then

enter your response here%

of those intervals would contain the true

▼

population variance.

population standard deviation.

sample variance.

population mean.

sample standard deviation.

sample mean.

sample size.

Solution

by Bartleby Expert

SEE SOLUTION

Follow-up Question

Interpret the interval in terms of this application. Choose the correct answer below.

A.

The state is confident that

99%

of its mean LOS is described by this interval.

B.

The state can be

1%

confident that its mean LOS is within this interval.

C.

The state can be

99%

confident that its mean LOS is outside this interval.

D.

The state can be

99%

confident that its mean LOS is

3.6

days.

E.

The state can be

99%

confident that its mean LOS is within this interval.

Solution

by Bartleby Expert

SEE SOLUTION

Answer 24

Read through expert solutions to related follow-up questions below.

Answer 25

Follow-up Question

What is meant by the phrase

"99%

confidence interval" in this exercise?

The phrase

"99%

confidence interval" means that if many intervals were constructed using the same methods and the same

▼

sample size,

sample variance,

population variance,

sample mean,

population mean,

sample standard deviation,

population standard deviation,

then

enter your response here%

of those intervals would contain the true

▼

population variance.

population standard deviation.

sample variance.

population mean.

sample standard deviation.

sample mean.

sample size.

Solution

by Bartleby Expert

SEE SOLUTION

Follow-up Question

The phrase

"99%

confidence interval" means that if many intervals were constructed using the same methods and the same

▼

sample size,

sample variance,

population variance,

sample mean,

population mean,

sample standard deviation,

population standard deviation,

then

enter your response here%

of those intervals would contain the true

▼

population variance.

population standard deviation.

sample variance.

population mean.

sample standard deviation.

sample mean.

sample size.

Solution

by Bartleby Expert

SEE SOLUTION

Follow-up Question

Interpret the interval in terms of this application. Choose the correct answer below.

A.

The state is confident that

99%

of its mean LOS is described by this interval.

B.

The state can be

1%

confident that its mean LOS is within this interval.

C.

The state can be

99%

confident that its mean LOS is outside this interval.

D.

The state can be

99%

confident that its mean LOS is

3.6

days.

E.

The state can be

99%

confident that its mean LOS is within this interval.

Solution

by Bartleby Expert

SEE SOLUTION

Answer 26

Follow-up Question

What is meant by the phrase

"99%

confidence interval" in this exercise?

The phrase

"99%

confidence interval" means that if many intervals were constructed using the same methods and the same

▼

sample size,

sample variance,

population variance,

sample mean,

population mean,

sample standard deviation,

population standard deviation,

then

enter your response here%

of those intervals would contain the true

▼

population variance.

population standard deviation.

sample variance.

population mean.

sample standard deviation.

sample mean.

sample size.

Solution

by Bartleby Expert

SEE SOLUTION

Answer 27

Follow-up Question

What is meant by the phrase

"99%

confidence interval" in this exercise?

The phrase

"99%

confidence interval" means that if many intervals were constructed using the same methods and the same

▼

sample size,

sample variance,

population variance,

sample mean,

population mean,

sample standard deviation,

population standard deviation,

then

enter your response here%

of those intervals would contain the true

▼

population variance.

population standard deviation.

sample variance.

population mean.

sample standard deviation.

sample mean.

sample size.

Answer 28

Follow-up Question

Answer 29

Follow-up Question

Answer 30

What is meant by the phrase

"99%

confidence interval" in this exercise?

The phrase

"99%

confidence interval" means that if many intervals were constructed using the same methods and the same

▼

sample size,

sample variance,

population variance,

sample mean,

population mean,

sample standard deviation,

population standard deviation,

then

enter your response here%

of those intervals would contain the true

▼

population variance.

population standard deviation.

sample variance.

population mean.

sample standard deviation.

sample mean.

sample size.

Answer 31

What is meant by the phrase

"99%

confidence interval" in this exercise?

The phrase

"99%

confidence interval" means that if many intervals were constructed using the same methods and the same

▼

sample size,

sample variance,

population variance,

sample mean,

population mean,

sample standard deviation,

population standard deviation,

then

enter your response here%

of those intervals would contain the true

▼

population variance.

population standard deviation.

sample variance.

population mean.

sample standard deviation.

sample mean.

sample size.

Answer 32

Solution

by Bartleby Expert

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Answer 33

Solution

by Bartleby Expert

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Answer 34

Solution

by Bartleby Expert

Answer 35

by Bartleby Expert

Answer 36

by Bartleby Expert

Answer 37

Follow-up Question

The phrase

"99%

confidence interval" means that if many intervals were constructed using the same methods and the same

▼

sample size,

sample variance,

population variance,

sample mean,

population mean,

sample standard deviation,

population standard deviation,

then

enter your response here%

of those intervals would contain the true

▼

population variance.

population standard deviation.

sample variance.

population mean.

sample standard deviation.

sample mean.

sample size.

Solution

by Bartleby Expert

SEE SOLUTION

Answer 38

Follow-up Question

The phrase

"99%

confidence interval" means that if many intervals were constructed using the same methods and the same

▼

sample size,

sample variance,

population variance,

sample mean,

population mean,

sample standard deviation,

population standard deviation,

then

enter your response here%

of those intervals would contain the true

▼

population variance.

population standard deviation.

sample variance.

population mean.

sample standard deviation.

sample mean.

sample size.

Answer 39

Follow-up Question

Answer 40

Follow-up Question

Answer 41

The phrase

"99%

confidence interval" means that if many intervals were constructed using the same methods and the same

▼

sample size,

sample variance,

population variance,

sample mean,

population mean,

sample standard deviation,

population standard deviation,

then

enter your response here%

of those intervals would contain the true

▼

population variance.

population standard deviation.

sample variance.

population mean.

sample standard deviation.

sample mean.

sample size.

Answer 42

The phrase

"99%

confidence interval" means that if many intervals were constructed using the same methods and the same

▼

sample size,

sample variance,

population variance,

sample mean,

population mean,

sample standard deviation,

population standard deviation,

then

enter your response here%

of those intervals would contain the true

▼

population variance.

population standard deviation.

sample variance.

population mean.

sample standard deviation.

sample mean.

sample size.

Answer 43

Solution

by Bartleby Expert

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Answer 44

Solution

by Bartleby Expert

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Answer 45

Solution

by Bartleby Expert

Answer 46

by Bartleby Expert

Answer 47

by Bartleby Expert

Answer 48

Follow-up Question

Interpret the interval in terms of this application. Choose the correct answer below.

A.

The state is confident that

99%

of its mean LOS is described by this interval.

B.

The state can be

1%

confident that its mean LOS is within this interval.

C.

The state can be

99%

confident that its mean LOS is outside this interval.

D.

The state can be

99%

confident that its mean LOS is

3.6

days.

E.

The state can be

99%

confident that its mean LOS is within this interval.

Solution

by Bartleby Expert

SEE SOLUTION

Answer 49

Follow-up Question

Interpret the interval in terms of this application. Choose the correct answer below.

A.

The state is confident that

99%

of its mean LOS is described by this interval.

B.

The state can be

1%

confident that its mean LOS is within this interval.

C.

The state can be

99%

confident that its mean LOS is outside this interval.

D.

The state can be

99%

confident that its mean LOS is

3.6

days.

E.

The state can be

99%

confident that its mean LOS is within this interval.

Answer 50

Follow-up Question

Answer 51

Follow-up Question

Answer 52

Interpret the interval in terms of this application. Choose the correct answer below.

A.

The state is confident that

99%

of its mean LOS is described by this interval.

B.

The state can be

1%

confident that its mean LOS is within this interval.

C.

The state can be

99%

confident that its mean LOS is outside this interval.

D.

The state can be

99%

confident that its mean LOS is

3.6

days.

E.

The state can be

99%

confident that its mean LOS is within this interval.

Answer 53

Interpret the interval in terms of this application. Choose the correct answer below.

A.

The state is confident that

99%

of its mean LOS is described by this interval.

B.

The state can be

1%

confident that its mean LOS is within this interval.

C.

The state can be

99%

confident that its mean LOS is outside this interval.

D.

The state can be

99%

confident that its mean LOS is

3.6

days.

E.

The state can be

99%

confident that its mean LOS is within this interval.

Answer 54

Solution

by Bartleby Expert

SEE SOLUTION

Answer 55

Solution

by Bartleby Expert

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Answer 56

Solution

by Bartleby Expert

Answer 57

by Bartleby Expert

Answer 58

by Bartleby Expert

Answer 59

Follow-up Questions

Read through expert solutions to related follow-up questions below.

Follow-up Question

What is meant by the phrase

"99%

confidence interval" in this exercise?

The phrase

"99%

confidence interval" means that if many intervals were constructed using the same methods and the same

▼

sample size,

sample variance,

population variance,

sample mean,

population mean,

sample standard deviation,

population standard deviation,

then

enter your response here%

of those intervals would contain the true

▼

population variance.

population standard deviation.

sample variance.

population mean.

sample standard deviation.

sample mean.

sample size.

Solution

by Bartleby Expert

SEE SOLUTION

Follow-up Question

The phrase

"99%

confidence interval" means that if many intervals were constructed using the same methods and the same

▼

sample size,

sample variance,

population variance,

sample mean,

population mean,

sample standard deviation,

population standard deviation,

then

enter your response here%

of those intervals would contain the true

▼

population variance.

population standard deviation.

sample variance.

population mean.

sample standard deviation.

sample mean.

sample size.

Solution

by Bartleby Expert

SEE SOLUTION

Follow-up Question

Interpret the interval in terms of this application. Choose the correct answer below.

A.

The state is confident that

99%

of its mean LOS is described by this interval.

B.

The state can be

1%

confident that its mean LOS is within this interval.

C.

The state can be

99%

confident that its mean LOS is outside this interval.

D.

The state can be

99%

confident that its mean LOS is

3.6

days.

E.

The state can be

99%

confident that its mean LOS is within this interval.

Solution

by Bartleby Expert

SEE SOLUTION

Answer 60

Read through expert solutions to related follow-up questions below.

Follow-up Question

What is meant by the phrase

"99%

confidence interval" in this exercise?

The phrase

"99%

confidence interval" means that if many intervals were constructed using the same methods and the same

▼

sample size,

sample variance,

population variance,

sample mean,

population mean,

sample standard deviation,

population standard deviation,

then

enter your response here%

of those intervals would contain the true

▼

population variance.

population standard deviation.

sample variance.

population mean.

sample standard deviation.

sample mean.

sample size.

Solution

by Bartleby Expert

SEE SOLUTION

Follow-up Question

The phrase

"99%

confidence interval" means that if many intervals were constructed using the same methods and the same

▼

sample size,

sample variance,

population variance,

sample mean,

population mean,

sample standard deviation,

population standard deviation,

then

enter your response here%

of those intervals would contain the true

▼

population variance.

population standard deviation.

sample variance.

population mean.

sample standard deviation.

sample mean.

sample size.

Solution

by Bartleby Expert

SEE SOLUTION

Follow-up Question

Interpret the interval in terms of this application. Choose the correct answer below.

A.

The state is confident that

99%

of its mean LOS is described by this interval.

B.

The state can be

1%

confident that its mean LOS is within this interval.

C.

The state can be

99%

confident that its mean LOS is outside this interval.

D.

The state can be

99%

confident that its mean LOS is

3.6

days.

E.

The state can be

99%

confident that its mean LOS is within this interval.

Solution

by Bartleby Expert

SEE SOLUTION

Answer 61

Read through expert solutions to related follow-up questions below.

Answer 62

Follow-up Question

What is meant by the phrase

"99%

confidence interval" in this exercise?

The phrase

"99%

confidence interval" means that if many intervals were constructed using the same methods and the same

▼

sample size,

sample variance,

population variance,

sample mean,

population mean,

sample standard deviation,

population standard deviation,

then

enter your response here%

of those intervals would contain the true

▼

population variance.

population standard deviation.

sample variance.

population mean.

sample standard deviation.

sample mean.

sample size.

Solution

by Bartleby Expert

SEE SOLUTION

Follow-up Question

The phrase

"99%

confidence interval" means that if many intervals were constructed using the same methods and the same

▼

sample size,

sample variance,

population variance,

sample mean,

population mean,

sample standard deviation,

population standard deviation,

then

enter your response here%

of those intervals would contain the true

▼

population variance.

population standard deviation.

sample variance.

population mean.

sample standard deviation.

sample mean.

sample size.

Solution

by Bartleby Expert

SEE SOLUTION

Follow-up Question

Interpret the interval in terms of this application. Choose the correct answer below.

A.

The state is confident that

99%

of its mean LOS is described by this interval.

B.

The state can be

1%

confident that its mean LOS is within this interval.

C.

The state can be

99%

confident that its mean LOS is outside this interval.

D.

The state can be

99%

confident that its mean LOS is

3.6

days.

E.

The state can be

99%

confident that its mean LOS is within this interval.

Solution

by Bartleby Expert

SEE SOLUTION

Answer 63

Follow-up Question

What is meant by the phrase

"99%

confidence interval" in this exercise?

The phrase

"99%

confidence interval" means that if many intervals were constructed using the same methods and the same

▼

sample size,

sample variance,

population variance,

sample mean,

population mean,

sample standard deviation,

population standard deviation,

then

enter your response here%

of those intervals would contain the true

▼

population variance.

population standard deviation.

sample variance.

population mean.

sample standard deviation.

sample mean.

sample size.

Solution

by Bartleby Expert

SEE SOLUTION

Answer 64

Follow-up Question

What is meant by the phrase

"99%

confidence interval" in this exercise?

The phrase

"99%

confidence interval" means that if many intervals were constructed using the same methods and the same

▼

sample size,

sample variance,

population variance,

sample mean,

population mean,

sample standard deviation,

population standard deviation,

then

enter your response here%

of those intervals would contain the true

▼

population variance.

population standard deviation.

sample variance.

population mean.

sample standard deviation.

sample mean.

sample size.

Answer 65

Follow-up Question

Answer 66

Follow-up Question

Answer 67

What is meant by the phrase

"99%

confidence interval" in this exercise?

The phrase

"99%

confidence interval" means that if many intervals were constructed using the same methods and the same

▼

sample size,

sample variance,

population variance,

sample mean,

population mean,

sample standard deviation,

population standard deviation,

then

enter your response here%

of those intervals would contain the true

▼

population variance.

population standard deviation.

sample variance.

population mean.

sample standard deviation.

sample mean.

sample size.

Answer 68

What is meant by the phrase

"99%

confidence interval" in this exercise?

The phrase

"99%

confidence interval" means that if many intervals were constructed using the same methods and the same

▼

sample size,

sample variance,

population variance,

sample mean,

population mean,

sample standard deviation,

population standard deviation,

then

enter your response here%

of those intervals would contain the true

▼

population variance.

population standard deviation.

sample variance.

population mean.

sample standard deviation.

sample mean.

sample size.

Answer 69

Solution

by Bartleby Expert

SEE SOLUTION

Answer 70

Solution

by Bartleby Expert

SEE SOLUTION

Answer 71

Solution

by Bartleby Expert

Answer 72

by Bartleby Expert

Answer 73

by Bartleby Expert

Answer 74

Follow-up Question

The phrase

"99%

confidence interval" means that if many intervals were constructed using the same methods and the same

▼

sample size,

sample variance,

population variance,

sample mean,

population mean,

sample standard deviation,

population standard deviation,

then

enter your response here%

of those intervals would contain the true

▼

population variance.

population standard deviation.

sample variance.

population mean.

sample standard deviation.

sample mean.

sample size.

Solution

by Bartleby Expert

SEE SOLUTION

Answer 75

Follow-up Question

The phrase

"99%

confidence interval" means that if many intervals were constructed using the same methods and the same

▼

sample size,

sample variance,

population variance,

sample mean,

population mean,

sample standard deviation,

population standard deviation,

then

enter your response here%

of those intervals would contain the true

▼

population variance.

population standard deviation.

sample variance.

population mean.

sample standard deviation.

sample mean.

sample size.

Answer 76

Follow-up Question

Answer 77

Follow-up Question

Answer 78

The phrase

"99%

confidence interval" means that if many intervals were constructed using the same methods and the same

▼

sample size,

sample variance,

population variance,

sample mean,

population mean,

sample standard deviation,

population standard deviation,

then

enter your response here%

of those intervals would contain the true

▼

population variance.

population standard deviation.

sample variance.

population mean.

sample standard deviation.

sample mean.

sample size.

Answer 79

The phrase

"99%

confidence interval" means that if many intervals were constructed using the same methods and the same

▼

sample size,

sample variance,

population variance,

sample mean,

population mean,

sample standard deviation,

population standard deviation,

then

enter your response here%

of those intervals would contain the true

▼

population variance.

population standard deviation.

sample variance.

population mean.

sample standard deviation.

sample mean.

sample size.

Answer 80

Solution

by Bartleby Expert

SEE SOLUTION

Answer 81

Solution

by Bartleby Expert

SEE SOLUTION

Answer 82

Solution

by Bartleby Expert

Answer 83

by Bartleby Expert

Answer 84

by Bartleby Expert

Answer 85

Follow-up Question

Interpret the interval in terms of this application. Choose the correct answer below.

A.

The state is confident that

99%

of its mean LOS is described by this interval.

B.

The state can be

1%

confident that its mean LOS is within this interval.

C.

The state can be

99%

confident that its mean LOS is outside this interval.

D.

The state can be

99%

confident that its mean LOS is

3.6

days.

E.

The state can be

99%

confident that its mean LOS is within this interval.

Solution

by Bartleby Expert

SEE SOLUTION

Answer 86

Follow-up Question

Interpret the interval in terms of this application. Choose the correct answer below.

A.

The state is confident that

99%

of its mean LOS is described by this interval.

B.

The state can be

1%

confident that its mean LOS is within this interval.

C.

The state can be

99%

confident that its mean LOS is outside this interval.

D.

The state can be

99%

confident that its mean LOS is

3.6

days.

E.

The state can be

99%

confident that its mean LOS is within this interval.

Answer 87

Follow-up Question

Answer 88

Follow-up Question

Answer 89

Interpret the interval in terms of this application. Choose the correct answer below.

A.

The state is confident that

99%

of its mean LOS is described by this interval.

B.

The state can be

1%

confident that its mean LOS is within this interval.

C.

The state can be

99%

confident that its mean LOS is outside this interval.

D.

The state can be

99%

confident that its mean LOS is

3.6

days.

E.

The state can be

99%

confident that its mean LOS is within this interval.

Answer 90

Interpret the interval in terms of this application. Choose the correct answer below.

A.

The state is confident that

99%

of its mean LOS is described by this interval.

B.

The state can be

1%

confident that its mean LOS is within this interval.

C.

The state can be

99%

confident that its mean LOS is outside this interval.

D.

The state can be

99%

confident that its mean LOS is

3.6

days.

E.

The state can be

99%

confident that its mean LOS is within this interval.

Answer 91

Solution

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SEE SOLUTION

Answer 92

Solution

by Bartleby Expert

SEE SOLUTION

Answer 93

Solution

by Bartleby Expert

Answer 94

by Bartleby Expert

Answer 95

by Bartleby Expert

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