A simple random sample of 101 course evaluations had a mean x¯x¯ = 3.90 with a standard deviation s = 0.52. Use a 0.05 significance level to test the claim that the population of course evaluations...

A simple random sample of 101 course evaluations had a mean x¯x¯ = 3.90 with a standard deviation s = 0.52. Use a 0.05 significance level to test the claim that the population of course evaluations has a mean less than 4.00.