0 words >/ 9 pts The director of a state agency believes that the average starting salary for clerical employees in the state is less than $50,000 per year. To test her hypothesis, she has collected a simple random sample of 100 starting clerical salaries from across the state and found that the sample mean is $47,750. We also know that the population standard deviation is known to be $5.000, and the director uses a 5% level of significance when conducting tests. a) State the Ho and the HA for this sample. (2 mark) b) is the test a tor z test? (1 mark) c) State the critical value and the statistic based on the test stated in part b. (3 mark) d) Based upon the two values in part c), do we reject or do not reject the Ho? Stating why. (3 marks) Edit View Insert Format Tools Table V 12pt Paragraph BI U Av Lv vv Dv) : D Question 16