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 |
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