The average salary for a certain profession is $89,500. Assume that the standard deviation of such salaries is $27,500. Consider a random sample of 79 people in this profession and let x represent the mean salary for the sample. a Click the icon to View the table of normal curve areas. (E) a. What is pi? pi = 39500 b. What is \"i? \"i = 3093.99 (Round to two decimal places as needed.) 0. Describe the shape of the sampling distribution of i. A. The shape is that ofa poisson distribution. 6' B. The shape is that of a normal distribution. C. The shape is that of a binomial distribution. D. The shape is that ofa uniform distribution. d. Find the z-score forthe value )1: 81,500. z= D (Round to two decimal places as needed.)