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

Question

Quizplus · Accepted Answer

The $z$-score is calculated using the formula $z = \frac{x - \mu}{\sigma}$. For $x = 60$, $\mu = 60$, and $\sigma = 9$, the $z$-score is $z = \frac{60 - 60}{9} = 0$.

Suppose a Random Variable xxx Is Best Described by a Normal Distribution With

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