A Normal Distribution Has a Mean of µ = 100

question 54

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 be less than X = 84?

• A)0.7881
• B)0.5762
• C)0.2881
• D)0.2119

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