Given that Z is a standard normal random variable, the area to the left of a value z is expressed as:
A)P(Z $\geq$ z).
B)P(Z $\leq$ z).
C)P(0 $\leq$ Z $\leq$ z).
D)P(Z $\geq$ -z).

Question

Quizplus · Accepted Answer

The area to the left of a value z in a standard normal distribution is represented by P(Z ≤ z), which denotes the probability that the random variable Z takes on a value less than or equal to z.

Given That Z Is a Standard Normal Random Variable, the Area