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. One day he took 15,000 steps. What was his percentile on that day?

A) 95%
B) 97.7%
C) 99.7%
D) 100%