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Show all work 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
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Doctoral Student SalariesFull-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 intermediatez-value calculations to two decimal places.
(a) The student makes more than$16,200.
P(X>16,200) =__________________
(b) The student makes between$15,200and$16,200.
P(15,200
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