Question 6 10 points Save Answer NOTE: For this question, several choices are given. Fill the blank with the correct choice. For example, if you believe A is the correct choice, type A in the blank. A teacher believes that students will take 20 minutes to complete an assignment. A random selection of 36 students took an average of 22 minutes to complete the assignment. Assume that the time taken to complete the assignment satisfies a normal distribution with o = 8 minutes. Test the hypothesis that the mean time for completing the assignment is more than 20 minutes at 10% significance level. Step 1: Select the correct null and alternative hypothesis for the test and the value of a: A. HO: J = a, H1: pa B. HO: | = a, H1: p a ANSWER: The correct choice is and a =Step 2: Select the correct critical values for the test and the value of b: A. Critical values are 1 b; Reject HO if z > b or if z b C. Critical value is -b; Reject HO only if z