Question: The average grade on a recent calculus exam was 77.2 with a standard deviation of 7.1. a) If one person is chosen to take this

The average grade on a recent calculus exam was 77.2 with a standard deviation of 7.1. a) If one person is chosen to take this exam, what is the probability that the person will get a score greater than 90 b If one person is chosen to take this exam, what is the probability that the person will get a score between 68 and 81

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