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GMAT scores are approximately normally distributed with a mean of 547 and a standard deviation of 95. Estimate the percentage of scores that were (a)

GMAT scores are approximately normally distributed with a mean of 547 and a standard deviation of 95. Estimate the percentage of scores that were (a) between 452 and 642. % (b) above 737. % (c) below 452. % (d) between 452 and 737. %

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