An analyst would like to test whether there has been an increase in the average commute time for ...

An analyst would like to test whether there has been an increase in the average commute time for a metropolitan city from the previous year's average of 22 minutes. What are the correct hypotheses for this test? HO: u 2 22 Ha: u < 22 HO: u = 22 Hau 22 HO: u < 22 Ha: u > 22 O HO: US 22 Ha: > 22 Question 10 5 pts The following hypotheses are tested: Họ: H 2 47 H: 4 < 47 The sample size is 30, and the sample standard deviation is 8.50. Using an alpha = 0.10 level of significance, at what sample average or smaller will the null hypothesis be rejected? O 43.24 44.41 49.00 45.00