Given that Z is a standard normal random variable, P(Z − 2.68) is:
A) 0.0037 .
B) 0.5037 .
C) 0.9963 .
D) 0.4963 .

Name: Given that Z is a standard normal random variable, P(Z > − 2.68) is: A) 0.0037 . B) 0.5037 . C) 0.9963 . D) 0.4963 .
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Question

Given that Z is a standard normal random variable, P(Z > − 2.68) is: 
A) 0.0037 . 
B)  0.5037 . 
C)  0.9963 . 
D)  0.4963 .

Quizplus · Accepted Answer

From the standard normal distribution table, we can find that the area to the left of -2.68 is 0.0037. Therefore, the area to the right of -2.68 (which is P(Z > − 2.68)) is 1 - 0.0037 = 0.9963.

Given That Z Is a Standard Normal Random Variable, P(Z