Full-time Ph.D. students receive an average of $12,837 per year. If the average salaries are normally...

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Full-time Ph.D. students receive an average of $12,837 per year. If the average salaries are normally...

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 the probability that the student makes more than $15,000.

Group of answer choices

A.0.0747

B.0.6051

C.0.0834

D.0.0982

math Statistics-And-Probability

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Answer 1

Answer #1

Let "X" be the salaries of Full-time Ph.D. students

Refer Standard normal table/Z-table to find the probability or use excel formula "=NORM.S.DIST(1.442, TRUE)" to find the probability.

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Answer 2

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