A Health Conscious Student Faithfully Wears a Device That Tracks

Multiple Choice

A health conscious student faithfully wears a device that tracks his steps. Suppose that the distribution of the number of steps he takes in a day is normally distributed with a mean of 10,000 and a standard deviation of 1,500 steps. What percent of the days does he exceed 13,000 steps?

A) 2.28%
B) 5%
C) 95%
D) 97.72%