A bottled water distributor wants to determine whether the mean amount of water contained in 1-gallon bottles purchased from a nationally known water bottling company is actually 1 gallon. You know from the water bottling company specifications that the standard deviation of the amount of water is 0.03 gallon. You select a random sample of 50 bottles, and the mean amount of water per 1-gallon bottle is 0.992 gallon. a. Is there evidence that the mean amount is different from 1.0 gallon? (Use α=0.01.) Let μ be the population mean. Determine the null hypothesis, H0, and the alternative hypothesis, H1. H0: μ ____ H1: μ ____ What is the test statistic? ZSTAT= _________ (Round to two decimal places as needed.) What is/are the critical value(s)? (Use α=0.01.) (Round to two decimal places as needed. Use a comma to separate answers as needed.) What is the final conclusion? A. Fail to reject H0. There is not sufficient evidence that the mean amount is different from 1.0 gallon. B. Fail to reject H0. There is sufficient evidence to warrant rejection of the claim that the mean amount is different from 1.0 gallon. C. Reject H0. There is not sufficient evidence to warrant rejection of the claim that the mean amount is different from 1.0 gallon. D. Reject H0. There is sufficient evidence to warrant rejection of the claim that the mean amount is different from 1.0 gallon.
A bottled water distributor wants to determine whether the mean amount of water contained in 1-gallon bottles purchased from a nationally known water bottling company is actually 1 gallon. You know from the water bottling company specifications that the standard deviation of the amount of water is 0.03 gallon. You select a random sample of 50 bottles, and the mean amount of water per 1-gallon bottle is 0.992 gallon. a. Is there evidence that the mean amount is different from 1.0 gallon? (Use α=0.01.) Let μ be the population mean. Determine the null hypothesis, H0, and the alternative hypothesis, H1. H0: μ ____ H1: μ ____ What is the test statistic? ZSTAT= _________ (Round to two decimal places as needed.) What is/are the critical value(s)? (Use α=0.01.) (Round to two decimal places as needed. Use a comma to separate answers as needed.) What is the final conclusion? A. Fail to reject H0. There is not sufficient evidence that the mean amount is different from 1.0 gallon. B. Fail to reject H0. There is sufficient evidence to warrant rejection of the claim that the mean amount is different from 1.0 gallon. C. Reject H0. There is not sufficient evidence to warrant rejection of the claim that the mean amount is different from 1.0 gallon. D. Reject H0. There is sufficient evidence to warrant rejection of the claim that the mean amount is different from 1.0 gallon.
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
A bottled water distributor wants to determine whether the mean amount of water contained in 1-gallon bottles purchased from a nationally known water bottling company is actually 1 gallon. You know from the water bottling company specifications that the standard deviation of the amount of water is 0.03 gallon. You select a random sample of 50 bottles, and the mean amount of water per 1-gallon bottle is 0.992 gallon.
a. Is there evidence that the mean amount is different from
1.0 gallon? (Use α=0.01.)
Let μ be the population mean. Determine the null hypothesis,
H0, and the alternative hypothesis, H1.
H0: μ ____
H1: μ ____
What is the test statistic?
ZSTAT= _________
(Round to two decimal places as needed.)What is/are the critical value(s)? (Use α=0.01.)
(Round to two decimal places as needed. Use a comma to separate answers as needed.)
What is the final conclusion?
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