Assume that X has a normal distribution, and find the indicated probability.
-The mean is $\mu = 15.2$ and the standard deviation is $\sigma = 0.9$. Find the probability that $\mathrm { X }$ is greater than $16.1$.
A)0.1550
B)0.8413
C)0.1357
D)0.1587

Question

Quizplus · Accepted Answer

To find the probability that X is greater than 16.1, we calculate the z-score: $ z = \frac{16.1 - 15.2}{0.9} = 1 $. The probability that Z is greater than 1 is 0.1587.

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