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 1'9 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 [1,}? pi = 39500 b. What is 0;? \"i = 3093.99 (Round to two decimal places as needed.) 6- Describe the shape of the sampling distribution of i. ' A. The shape is that ofa poisson distribution. VB. The shape is that of a normal distribution. C. The shape is that of a binomial distribution. D. The shape is that of a uniform distribution. d. Find the z-score forthe value it = 81,500. 2 = D {Round to two decimal places as needed.)