What is the probability of randomly selecting a score

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For a normal distribution with µ = 200 and σ = 50, find the following values:

a. What is the probability of randomly selecting a score greater than X = 325?

b. What X values form the boundaries for the middle 60% of the distribution? (hint: middle 60% will include 2 cutoff scores with an equal distance to the left and right side of the mean. The distance should mark 30% of area on each side)

Reference no: EM132852522

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