Find the Requested Probability

Multiple Choice

Find the requested probability.
-The test scores of 5 students are under consideration. The following is the dotplot for the sampling distribution of the sample mean for samples of size 2. Find the probability, expressed as a percent, that the sample mean will be within 3 points of the Population mean.

A) 72%
B) 50%
C) 60%
D) 40%