Applying the Empirical Rule to a Distribution with a Mean

Multiple Choice

Applying the Empirical Rule to a distribution with a mean of 80 and standard deviation of 5, which one of the following is correct?

A) About 34% of the values are located between 80 and 90.
B) About 95% of the values are between 70 and 90.
C) About 75% of the values are between 75 and 85.
D) All values fall between 65 and 95.