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 17.
A) 0.0228
B) 0.9772
C) 0.9821
D) 0.9713

Question

Quizplus · Accepted Answer

To find the probability that X is greater than 17, we calculate the Z-score: $ Z = \frac{17 - 15.2}{0.9} \approx 2 $. Using the standard normal distribution table, the probability of Z being greater than 2 is approximately 0.0228.

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