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Quiz: Midterm & help file The mean grade on a French test was 84 with a standard deviation of 10. If you scored.5 standard de
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Answer #1

Standard normal variate is

Z = (X - Mean) / SD

0.5 = (X - 84) / 10

X = 0.5*10 + 84

= 89

Your grade on the test is 89

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