For a standard normal random variable, find the probability that z exceeds the value $- 1.65$
A) 0.0495
B) 0.9505
C) 0.5495
D) 0.4505

Question

Quizplus · Accepted Answer

The probability that a standard normal random variable $ z $ exceeds $-1.65$ is the same as $ P(z > -1.65) = 1 - P(z \leq -1.65) $. From the standard normal distribution table, $ P(z \leq -1.65) = 0.0495 $. Therefore, $ P(z > -1.65) = 1 - 0.0495 = 0.9505 $.

For a Standard Normal Random Variable, Find the Probability That −1.65- 1.65−1.65

For a Standard Normal Random Variable, Find the Probability That $- 1.65$