A sample of 37 observations is selected from a normal popula

A sample of 37 observations is selected from a normal population. The sample mean is 60, and the population standard deviation is 8. Conduct the following test of hypothesis using the 0.10 significance level.

Solution

alpha = 0.10

alpha/2 = 0.05

critical value : 1.64

we will reject Ho if Z value is greater than 1.64