In a standard normal distribution, the probability that z is greater than 0 is:
A) 0.5
B) equal to 1
C) at least 0.5
D) 1.96

Name: In a standard normal distribution, the probability that z is greater than 0 is: A) 0.5 B) equal to 1 C) at least 0.5 D) 1.96
Brand: Quizplus
Rating: 4.7 (39 reviews)

Question

Quizplus · Accepted Answer

In a standard normal distribution, the mean is 0, and the distribution is symmetric around the mean. Therefore, the probability that z is greater than 0 is exactly 0.5, as half of the distribution lies above 0 and half below it.

In a Standard Normal Distribution, the Probability That Z Is