Question 781011
Assume we have 100 students in our class. If in Midterm 1, the mean score is 80 and standard deviation is 6, and you scored 86, approximately how many students scored below you?
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z(86) = (86-80)/6 = 6/6 = 1
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P(x < 86) = P(z < 1) = 0.8413
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Cheers,
Stan H.
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