Out of 400 people sampled, 288 had kids. Based on this, construct a 99% confidence interval for the true population proportion of people with kids. Give your answers as decimals, to three places please explain how to do this using excel. Excel is how my teacher wants us to find the answers but I dont know what formula to use.

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A: The five numbers are 1,2,18, 19, and x. Here, x is the one of the largest two number of five. Median…

Q: Claim: Fewer than 91% of adults have a cell phone. In a reputable poll of 1084 adults, 86% said that…

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A: Answer below

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A: From given data we have  Mean = 36 standard deviation = 6 X=51

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A: Given: 1)Anna is 3 years old and, 2) In the 42nd percentile for height in her age group. In the…

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A:

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A: Sample sizesn1 is 123 and n2 is 88.

Q: The value of the stanard error of the mean for the scores :  1,2,3,4,5 ?

A: Solution: Let X be the random variable. The given data is 1, 2, 3, 4 and 5.

Q: Polling company reported that 57% of 2286 and said that they play football. What is the exact value…

A: Given values, Percentage of adults who play football = 57% Total number of adults = 2286 Number of…

Q: A software company is interested in improving customer satisfaction rate from the 78% currently…

A: Givenp=78%=0.78x=108n=132p^=xn=108132=0.8182

Q: Suppose your statistics instructor reports test grades as z-scores, and you got a score of on an…

A: The Z score is given by, Z=X-μσ,where μ=population mean            σ= population standard deviation

Q: Use the sample data and confidence level given below to complete parts (a) through (d). A research…

A:

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Q: The first quartile of the data values 45, 48, 31, 48, 50, 30  equals ?

A: Arranging the data into ascending order: 30, 31, 45, 48, 48, 50

Q: student scored in the 75th percentile on the SAT. What does that mean?

A:

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A: Given regression equation is y=-107+1.03x If x=184 y=?

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A: Solution-: Ten students take a 10-point test. The mean score is 8. Could the median be 10? Could the…

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A: It is given that x = 556n = 914Confidence level = 95%

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A: Di = i * (n + 1)  10 th data

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A: Given information Hypothesized mean = 265 n = 41 Sample mean = 250 Standard Deviation = 55 Null…

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A: Here we find that unusual values from a data set.

Q: The mean of 200 observations was 80, later on, it was found that two  observations were misread as…

A:

Q: The mean score on a set of 28 tests is 75. What is the sum of all the test​ scores?

A: The objective of this question is to find the sum of all the test scores given the mean score and…

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A: The hypothesized mean is 63.7.

Q: The number of hours per week that the television is turned on is determined for each family in a…

A: Given that there are 24 families in the sample.  Mean=31 Median=27.2 7th percentile= 16 hours

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A:

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A: Given: Mean = 2.8 Median = 3.2

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.