Suppose a Random Variable X Is Best Described by a Normal

Multiple Choice

Suppose a random variable x is best described by a normal distribution with $\mu = 60 \text { and } \sigma = 13 \text {. }$ . Find the z-score that corresponds to the value x = 112.

A) 4
B) 52
C) $\frac { 15 } { 13 }$
D) 13