A Normal Distribution Has a Mean of µ = 100

question 76

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 = 80 and X = 100?​

• A)​0.8413
• B)​0.1587
• C)​0.3413
• D)​0.6826

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