The heights of adult women are approximately normally distributed about a mean of 65 inches with a standard deviation of 2 inches. If Rachael is at the 99th percentile in height for adult women, then her height, in inches, is closest to

a) 60
b) 62
c) 68
d) 70
e) 74

I know that the 99th percentile means that she is better than 99 percent of the population. But I'm not sure where to go or think from there.

Question

The heights of adult women are approximately normally distributed about a mean of 65 inches with a standard deviation of 2 inches.  If Rachael is at the 99th percentile in height for adult women, then her height, in inches, is closest to
 
a) 60
b) 62
c) 68
d) 70
e) 74
 
I know that the 99th percentile means that she is better than 99 percent of the population. But I'm not sure where to go or think from there.