Let's assume that ACT (the American college preparatory exam) scores are roughly Normally distributed with mean 21 and standard deviation 6. Let X be a
Let's assume that ACT (the American college preparatory exam) scores are roughly Normally distributed with mean 21 and standard deviation 6. Let X be a Normal random variable corresponding to a student's ACT score. To find P(X > 22), we perform: Z = 22-21 and using pnorm , run 1 - pnorm(q = 1/6) . O True O False
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