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

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