Z is a standard normal random variable. The P(-1.96 Z -1.4) equals
A) 0.8942
B) 0.0558
C) 0.475
D) 0.4192

Name: Z is a standard normal random variable. The P(-1.96 Z -1.4) equals A) 0.8942 B) 0.0558 C) 0.475 D) 0.4192
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Question

Z is a standard normal random variable. The P(-1.96  Z  -1.4) equals
A) 0.8942 
B) 0.0558 
C) 0.475 
D) 0.4192

Quizplus · Accepted Answer

We need to find the probability of Z being between -1.96 and -1.4. Using a standard normal distribution table or calculator, we find that the area under the curve between these values is 0.0558. Therefore, the answer is B.

Z Is a Standard Normal Random Variable