The Normal Distribution Has a Greater Percentage of Its Area

Multiple Choice

The normal distribution has a greater percentage of its area close to the mean and much less in the tails.
-Find the indicated IQ score. The graph depicts IQ scores of adults, and those scores are normally distributed with a mean of 100 and a standard deviation of 15 (as on the Wechsler test) . The shaded area under the curve is 0.10.

A) 119.2
B) 80.8
C) 100.5
D) 108.1