If X Is a Normal Random Variable with Mean $\mu$ )Equal to 80 and a Standard Deviation

Multiple Choice

If x is a normal random variable with mean ( $\mu$ ) equal to 80 and a standard deviation ( $\sigma$ ) of 5, the z score for x = 88 is ___.

A) 1.8
B) -1.8
C) 1.6
D) -1.6
E) 8.0