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Full-time ph.d. students receive an average of $12,837 per year with a standard deviation of $3000. find the probability that the average salary of a group of 16 randomly selected ph.d. students is more
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Full-time ph.d. students receive an average of $12,837 per year with a standard deviation of $3000. find the probability that the average salary of a group of 16 randomly selected ph.d. students is more than $13,000.

User Bonfo
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It is about 41.4% according to my TI-83/84 calculator.
Full-time ph.d. students receive an average of $12,837 per year with a standard deviation-example-1
User Galaktor
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