Given that Z is a standard normal random variable, what is the value of Z if the area to the right of Z is 0.8212?
A)0.92.
B)-0.05.
C)0.05.
D)-0.92.

Question

Quizplus · Accepted Answer

The area to the right of Z being 0.8212 means the area to the left is 1 - 0.8212 = 0.1788. Looking up this value in the standard normal distribution table or using a calculator for the inverse normal distribution function gives a Z value close to -0.92.

Given That Z Is a Standard Normal Random Variable, What