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A Normal Distribution Has a Mean of µ = 70

Question 40

Multiple Choice

A normal distribution has a mean of µ = 70 with σ = 12.If one score is randomly selected from this distribution,what is the probability that the score will be less than X = 55?​


A) ​0.3944
B) ​0.1056
C) ​0.8944
D) ​0.7888

Correct Answer:

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