Suppose a random variable x is best described by a normal distribution with μ = 60 and σ = 8. Find the z-score that corresponds to the value x = 30.
A) -3.75
B) 3.75
C) -8D)8

Name: Suppose a random variable x is best described by a normal distribution with μ = 60 and σ = 8. Find the z-score that corresponds to the value x = 30. A) -3.75 B) 3.75 C) -8D)8
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Question

Quizplus · Accepted Answer

The z-score is calculated using the formula z = (x - μ) / σ. Substituting the given values, z = (30 - 60) / 8 = -3.75.

Suppose a Random Variable X Is Best Described by a Normal