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Please show all work and steps 4. IQs are normally distributed with a mean of 100 and a standard deviation of 15. Cassandra has an

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4. IQs are normally distributed with a mean of 100 and a standard deviation of 15. Cassandra has an IQ of 125. If there are 850 students at her school, how many of them have an IQ greater than Cassandra's

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