Use the empirical rule to solve the problem.
-At one college, GPA's are normally distributed with a mean of 2.7 and a standard deviation of 0.5. What percentage of students at the college have a GPA between 2.2 and 3.2?
A)84.13%
B)95%
C)99.7%
D)68%

Question

Quizplus · Accepted Answer

The empirical rule states that approximately 68% of data falls within one standard deviation of the mean in a normal distribution. Here, 2.2 and 3.2 are one standard deviation below and above the mean, respectively.

Use the Empirical Rule to Solve the Problem