Consider the following hypothesis test: H0: 50 H0: < 50 A sample of 60 is used and the population standard deviation is

Consider the following hypothesis test:

H0: μ ≥ 50

H0: μ < 50

A sample of 60 is used and the population standard deviation is 8. Use the critical value approach to state your conclusion for each of the following sample results. Use α = .05.

a. x = 52.5

b. x = 51

c. x = 51.8