The Intelligence Quotient (IQ) Test Scores for Adults Are Normally

question 31

Multiple Choice

The Intelligence Quotient (IQ) test scores for adults are normally distributed with a mean of 100 and a 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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