Consider the following hypothesis test:
20:0≥μH
20:<μAH
A sample of 50 provided a sample mean of 19.4. The population standard deviation is 2.
a. Compute the value of the test statistic.
b. What is the p-value?
c. Using , what is your conclusion? 05.0=α
d. what is the rejection rule using the critical value? What is your conclusion?