Find the Number of Standard Deviations from the Mean

Find the number of standard deviations from the mean. Round your answer to two decimal places.
-The test scores on the Chapter 3 mathematics test have a mean of 62 and a standard deviation of 11. Andrea scored 86 on the test. How many standard deviations from the mean is that?

A) 2.18 standard deviations above the mean
B) 2.18 standard deviations below the mean
C) 0.59 standard deviations below the mean
D) 0.59 standard deviations above the mean