Answer to Question #319106 in Statistics and Probability for issey

Question #319106

in a math test,the mean is 45,and the standard deviation is 4.Assuming normality,what is the probability that a score picked at random will lie above score is 50

Expert's answer

"LP(X>50)=1-P(X<\\frac{50-45}{4})=1-P(X<1.25)=1-0.89435=0.10565"

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