QUESTION 6 The manager of a firm wants to determine if the average hourly wage for semi-skilled workers is $9 in the Capital District. In order to do so, she takes a random sample of 100 hourly wages and finds that the sample mean is $8 and the sample standard deviation is $2. The hypotheses to be tested are: Ho:H = 9 Assume that the actual average is $8.9. What is the probability of type II error at the 5% significance level? O a. 73.477% O b. 92.091% O C. 82.993% O d. 85.668% O e. 94.277% QUESTION 7