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: 0 / 2 Part 1 of 2 (a) The student makes more than $13,600. P(X> 13,600)