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What is the probability that the score will have a value

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A normal distribution has a mean of µ = 100 with σ = 20. If one score is randomly selected from this distribution, what is the probability that the score will have a value between X = 80 and X = 120?

A normal distribution has a mean of µ = 40 with σ = 10. What proportion of the scores in this distribution are greater than X = 30?

Reference no: EM132464885

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