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From past history, the scores on a statistics test are normally distributed with a mean of...

From past history, the scores on a statistics test are normally distributed with a mean of 70% and a standard deviation of 5%. To earn a "C" on the test, a student must be in the top 25% of the class. What should a student score to receive a "C"?

77.21

74.69

73.96

76.90

None of the choices are correct
Math   Statistics-And-Probability   
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