Question: Suppose the random variable x is best described by a normal distribution with = 30 and = 4. Find the z-score that corresponds

Suppose the random variable x is best described by a normal with μ = 30 and σ = 4. Find the z-score that corresponds to each of the following x values:
a. x = 20
b. x = 30
c. x = 2.75
d. x = 15
e. x = 35
f. x = 25

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