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Mathematics, 21.05.2021 17:40 angelo816

3. A college history course has a mean lecture time of 52 minutes with a standard deviation of 2 wines Suppose we randomly select n = 36 history lectures, what is the probability that the mean lecture time
exceeds the allotted class time of 50 minutes? Assume a normal distribution
(A) 0.9999
(B) 0.8413
(C) 0.1587
(D) 0.0001
(E) None of these is correct.

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