SOLUTION: 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?

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?
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
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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