The Intelligence Quotient (IQ)test Scores for Adults Are Normally Distributed

question 10

Multiple Choice

The Intelligence Quotient (IQ) test scores for adults are normally distributed with a population mean of 100 and a population standard deviation of 15. What is the probability we could select a sample of 50 adults and find that the mean of this sample is between 98 and 103?

• A)0.3264
• B)0.9428
• C)0.4702
• D)0.7471

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