Assume z is a standard normal random variable. What is the value of z if the area to the right of z is .9803?
A) -2.06
B) .4803
C) .0997
D) 3.06

Name: Assume z is a standard normal random variable. What is the value of z if the area to the right of z is .9803? A) -2.06 B) .4803 C) .0997 D) 3.06
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Question

Quizplus · Accepted Answer

The area to the right of z being .9803 means the area to the left is 1 - .9803 = .0197. Looking up .0197 in the standard normal distribution table or using a calculator for the inverse, we find z ≈ -2.06.

Assume Z Is a Standard Normal Random Variable