Pulse Rates of Adult Men Are Approximately Normal with a Mean

Multiple Choice

Pulse rates of adult men are approximately normal with a mean of 70 and a standard deviation of 8. Which choice correctly describes how to find the proportion of men that have a pulse rate greater than 78?

A) Find the area to the left of z = 1 under a standard normal curve.
B) Find the area between z = -1 and z = 1 under a standard normal curve.
C) Find the area to the right of z =1 under a standard normal curve.
D) Find the area to the right of z = - under a standard normal curve.