If Z is a standard normal random variable, then the area between z = 0.0 and z =1.30 is 0.4032, while the area between z = 0.0 and z = 1.50 is 0.4332. What is the area between z = -1.30 and z = 1.50?
A) 0.0300
B) 0.0668
C) 0.0968
D) 0.8364

Question

Quizplus · Accepted Answer

The area between z = -1.30 and z = 1.50 is the sum of the areas from z = 0 to z = 1.30 and from z = 0 to z = 1.50, which is 0.4032 + 0.4332 = 0.8364.

If Z Is a Standard Normal Random Variable, Then the Area