D Question 49 1 pts For questions 49 through 55, refer to the following problem: According to the U.S. Bureau of Labor and Statistics, realtors in Michigan make $51,870 on average. Sara was interested to know how the realtors in her county compare to the state-wide average. She collected a random sample of realtors in her county. In the sample of 30 realtors, the mean salary was $53,720. The population standard deviation of salaries among realtors is $17,500. Perform and interpret a hypothesis test to determine whether the population mean salary of realtors in Sara's county is higher than the Michigan state-wide mean at the a = 0.05 significance level. What is Mo? 53720 O 30 17500 51870 D Question 50 1 pts What are the correct hypotheses?D Question 50 1 pts What are the correct hypotheses? O Ho : M1- M2 51870 O Ho : M 51870 O Ho : M 53720 O Ho : M 2 51870 HA : A