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A Normal Distribution Has a Mean of µ = 100

Question 50

Multiple Choice

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 = 90 and X = 110?​


A) 0.6915​
B) ​0.3085
C) ​0.1915
D) ​0.3830

Correct Answer:

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