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Answer part c

Answer part c

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Answer part c 

A nutritionist wants to determine how much time nationally people spend eating and drinking. Suppose for a random sample of 998 people age 15 or older, the mean amount of time spent eating or drinking per day is 1.03 hours with a standard deviation of 0.63 hour. Complete parts (a) through (d) below. A. The sample size is less than 5% of the population. OB. The sample size is less than 10% of the population. OC. The sample size is greater than 5% of the population. OD. The sample size is greater than 10% of the population. (c) Determine and interpret a 95% confidence interval for the mean amount of time Americans age 15 or older spend eating and drinking each day. Select the correct choice below and fill in the answer boxes, if applicable, in your choice. (Type integers or decimals rounded to three decimal places as needed. Use ascending order.) OA. The nutritionist is 95% confident that the mean amount of time spent eating or drinking per day is between and hours. B. There is a 95% probability that the mean amount of time spent eating or drinking per day is between OC. The nutritionist is 95% confident that the amount of time spent eating or drinking per day for any individual is between O D. The requirements for constructing a confidence interval are not satisfied. √ Vi and hours. and hours. X
Transcribed Image Text:A nutritionist wants to determine how much time nationally people spend eating and drinking. Suppose for a random sample of 998 people age 15 or older, the mean amount of time spent eating or drinking per day is 1.03 hours with a standard deviation of 0.63 hour. Complete parts (a) through (d) below. A. The sample size is less than 5% of the population. OB. The sample size is less than 10% of the population. OC. The sample size is greater than 5% of the population. OD. The sample size is greater than 10% of the population. (c) Determine and interpret a 95% confidence interval for the mean amount of time Americans age 15 or older spend eating and drinking each day. Select the correct choice below and fill in the answer boxes, if applicable, in your choice. (Type integers or decimals rounded to three decimal places as needed. Use ascending order.) OA. The nutritionist is 95% confident that the mean amount of time spent eating or drinking per day is between and hours. B. There is a 95% probability that the mean amount of time spent eating or drinking per day is between OC. The nutritionist is 95% confident that the amount of time spent eating or drinking per day for any individual is between O D. The requirements for constructing a confidence interval are not satisfied. √ Vi and hours. and hours. X
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The sampling distribution of the sample mean is shown. If the sample size is n=9, what is the standard deviation of the population from which the sample was drawn? Round to the nearest thousandth. A. o=0.540 OB. o 0.180 OC. o=0.007 OD. o=0.020 *** 11 6.940 7.060
Transcribed Image Text:The sampling distribution of the sample mean is shown. If the sample size is n=9, what is the standard deviation of the population from which the sample was drawn? Round to the nearest thousandth. A. o=0.540 OB. o 0.180 OC. o=0.007 OD. o=0.020 *** 11 6.940 7.060
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