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Assume that the IQ for a population is normally distributed with a mean of 100 and a standard deviation of 15. Would it be unusual

Assume that the IQ for a population is normally distributed with a mean of 100 and a standard deviation of 15.

Would it be unusual for a randomly chosen person to have an IQ greater than 110? Show your results and explain why or why not.

Would it be unusual for the mean IQ of a sample of 10 people to be greater than 110? Show your results and explain why or why not.

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