Question

A normal distribution has a mean of 60 with a standard deviation of 8. If one score is randomly selected from this distribution, what is the probability that the score will be greater than 54?

Step 1

Let A(x) be the probability that the value of a random variable X is less than or equal to x where X is a random score selected from normal distribution.

Mathematically,

Step 2

Therefore, probability that the score will be greater than 54 will be

Step 3

P(X<=54) can be calculated in ...

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