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

question 53

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 the mean of this sample is less than 95?

• A)0.0091
• B)0.9818
• C)0.4909
• D)0.9544

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