An NCAA Study Reported That the Average Salary of the 300

question 4

Multiple Choice

An NCAA study reported that the average salary of the 300 major college football coaches is $1.47 million. Using a random sample of 30 coaches and a population standard deviation of $300,000, what is the probability that the sample mean is between $1.4 million and $1.5 million per year?

• A)0.7754
• B)0.6829
• C)0.9159
• D)0.8660

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