Question 9 of 25 (1 point) Attempt 1 of 3 View question in a popup 6.2 Section Exe Doctoral Student Salaries Full-time Ph. D. students receive an average of $12,837 per year. If the average salaries are normally distributed with a standard deviation of $1500, find these probabilities. Round the final answers to at least four decimal places and intermediate z-value calculations to two decimal places. Part 1 of 2 (a) The student makes more than $ 13,000. P(X> 13,000) = 0.4562 Part: 1 / 2 Part 2 of 2 (b) The student makes between $ 14,500 and $15,500. P (14,500