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An IQ test has a mean of 100 and a standard deviation of 15. If 1000 take the test, find the number of people who

An IQ test has a mean of 100 and a standard deviation of 15. If 1000 take the test, find the number of people who recieve the given score. The test scores are normally distributed.

A) below 55

Approximately how many of the people who take the test will score below 55

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