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...

Extracted text: 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 0.02 gallon. You select a random sample of 45 bottles, and the mean amount of water per 1-gallon bottle is 0.995 gallon. Complete parts (a) through (d) below. Let u be the population mean. Determine the null hypothesis, Ho, and the alternative hypothesis, H,. Ho: H 1 %3D H4: µ ± 1 What is the test statistic? ZSTAT 1.68 (Round to two decimal places as needed.) What is/are the critical value(s)? (Use a = 0.05.) (Round to two decimal places as needed Use a comma to senarate