Assume that X has a normal distribution, and find the indicated probability.
-The mean is $\mu = 15.2$ .2 and the standard deviation is $\sigma = 0.9$ Find the probability that X is greater than 15.2.
A) 0.5000
B) 0.9998
C) 1.0000
D) 0.0003

Question

Quizplus · Accepted Answer

The probability that X is greater than 15.2 is 0.5000. This is because the mean of the distribution is 15.2 and the standard deviation is 0.9, so the z-score for X = 15.2 is 0. The probability that X is greater than 15.2 is the same as the probability that Z is greater than 0, which is 0.5000.

Assume That X Has a Normal Distribution, and Find the Indicated