Suppose a Random Variable $x$ Is Best Described by a Normal Distribution With

Multiple Choice

Suppose a random variable $x$ is best described by a normal distribution with $\mu = 60$ and $\sigma = 9$ . Find the $z$ -score that corresponds to the value $x = 60$ .

A) 1
B) $\frac { 20 } { 3 }$
C) 9
D) 0