Question

The instead of, he manager of a paint supply store wants to determine whether the mean amount of paint contained in 1-gallon cans purchased from Berger is actually 1 gallon. You know from the given specifications that the standard deviation of the amount of paint is 0.02 gallon. You select a random sample of 50 cans, and the mean amount of paint per 1-gallon can is 0.995 gallon.
a. Is there evidence that the population mean amount is different from 1.0 gallon (use Alpha = 0.01)?
b. Construct a 99% confidence interval estimate of the population mean amount of paint.
c. Do you think the manager has a right to complain to the manufacturer? Why?

Answer 1

Answer:

I HAVEN'T ANSWER OF THAT OUESTION