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points Scores on a university exam are Normally distributed with a mean of 78 and...

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points Scores on a university exam are Normally distributed with a mean of 78 and a standard deviation of 8 The professor teaching the class declares that a score of 70 or higher is required for a grade of at least C Using the 68 95 99 7 rule what percent of students score below 54 5 OOO 32 2 5 1600

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