The proportion of Americans over the age of 11 who smoke is about:
A) one-tenth.
B) one-quarter.
C) one-half.
D) two-thirds.

Question

Quizplus · Accepted Answer

According to the Centers for Disease Control and Prevention (CDC), approximately 14% of Americans over the age of 18 smoke cigarettes. Since the question considers Americans over the age of 11, it is reasonable to assume that the proportion would be slightly higher, but still less than one-half. Therefore, option B, one-quarter, is the closest approximation to the actual proportion.

The Proportion of Americans Over the Age of 11 Who