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 galion. You select a random sample of 50 bottles, and the mean amount of water per 1-gallon bottle is 0.995 gallon. Complete parts (a) through (d) below a. is there evidence that the mean amount is different from 1.0 gallon? (Use a -0.05.) Let u be the population mean. Determine the null hypothesis. Hg. and the alternative hypothesis, H₁ ном 1 H₂ p 1 CD What is the test statistic? ZSTAT-1.18 (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 separate answers as needed.)

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