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.)
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.)
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
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
mean LOS of
(Healthcare
Cost and Utilization Project Statistical
Brief,
December 2018). A random sample of
22
hospitals in one state had a 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
interval to estimate the population mean LOS for the state's hospitals.
99%
confidence enter your response here, enter your response here
(Round to three decimal places as needed.)
Expert Solution
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
This is a popular solution!
Trending now
This is a popular solution!
Step by step
Solved in 3 steps with 1 images
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
sample size ,
then
"99%
confidence interval" means that if many intervals were constructed using the same methods and the same
▼
sample variance,
population variance,
sample mean ,
population mean,
sample standard deviation,
population standard deviation,
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 ExpertFollow-up Question
The phrase
"99%
confidence interval" means that if many intervals were constructed using the same methods and the same
▼
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 ExpertFollow-up Question
Interpret the interval in terms of this application. Choose the correct answer below.
The state is confident that
mean LOS is described by this interval.
99%
of its The state can be
1%
confident that its mean LOS is within this interval.The state can be
99%
confident that its mean LOS is outside this interval.The state can be
99%
confident that its mean LOS is
3.6
days.The state can be
99%
confident that its mean LOS is within this interval.
Solution
by Bartleby ExpertRecommended textbooks for you
MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc
Probability and Statistics for Engineering and th…
Statistics
ISBN:
9781305251809
Author:
Jay L. Devore
Publisher:
Cengage Learning
Statistics for The Behavioral Sciences (MindTap C…
Statistics
ISBN:
9781305504912
Author:
Frederick J Gravetter, Larry B. Wallnau
Publisher:
Cengage Learning
MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc
Probability and Statistics for Engineering and th…
Statistics
ISBN:
9781305251809
Author:
Jay L. Devore
Publisher:
Cengage Learning
Statistics for The Behavioral Sciences (MindTap C…
Statistics
ISBN:
9781305504912
Author:
Frederick J Gravetter, Larry B. Wallnau
Publisher:
Cengage Learning
Elementary Statistics: Picturing the World (7th E…
Statistics
ISBN:
9780134683416
Author:
Ron Larson, Betsy Farber
Publisher:
PEARSON
The Basic Practice of Statistics
Statistics
ISBN:
9781319042578
Author:
David S. Moore, William I. Notz, Michael A. Fligner
Publisher:
W. H. Freeman
Introduction to the Practice of Statistics
Statistics
ISBN:
9781319013387
Author:
David S. Moore, George P. McCabe, Bruce A. Craig
Publisher:
W. H. Freeman