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Question #4: If IQ scores are normally distributed with a mean of u = 100 and a standard deviation of o = 5, what is

Question #4: If IQ scores are normally distributed with a mean of u = 100 and a standard deviation of o = 5, what is the probability that a person chosen at random will have an IQ score : a . Greater than 110? b. Less than 90? C. Between 90 and 110

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