Find a Value of the Standard Normal Random Variable $z$ , Called

Multiple Choice

Find a value of the standard normal random variable $z$ , called $z _ { 0 }$ , such that $P \left( - z _ { 0 } \leq z \leq z _ { 0 } \right) = 0.98$ .

A) . 99
B) $1.96$
C) $2.33$
D) $1.645$