Doctoral Student Salaries Full-time Ph.D. students receive an average of $12,837 per year, If the average salaries are norma distributed with a standard deviation of $1500, find these probabilties. Round the final answers to at least four decimal places a intermediate :-value calculations to two decimal places. (a) The student makes more than $16,200. P(X>16,200) (b) The student makes between $14,300 and $15,300. P(14,300

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