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Mathematics, 16.10.2020 04:01 lescoto9035

Please help me out! On a unit test in statistics class, the teacher determines that the mean test grade was 77.5 with a standard deviation of 5.2. What is the test grade, rounded to the nearest whole number, with a z-score of 2.4?

A.65

B.83

C.90

D.95

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Answers: 2

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