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 timespent 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 betweenand hours.B. There is a 95% probability that the mean amount of time spent eating or drinking per day is betweenOC. The nutritionist is 95% confident that the amount of time spent eating or drinking per day for any individual is betweenO D. The requirements for constructing a confidence interval are not satisfied.√Viand hours.andhours.X

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Answered: Answer part c

Math

Statistics

Answer part c

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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Question

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

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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

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