Question: A normal random variable x has mean = 5 and standard deviation = 2. Find the probabilities associated with the following intervals: a.

A normal random variable x has mean µ = 5 and standard deviation σ = 2. Find the probabilities associated with the following intervals:
a. 1.2 < x < 10
b. x > 7.5
c. x ≤ 0

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