An opinion poll was conducted by the Morris Polling Group. Respondents were classified according to their sex (M or F), political affiliation (D, I, R), and the region of the country in which they reside (NW, W, C, S).
Use the generalized multiplication principle to determine the number of possible classifications.

A) 21
B) 24
C) 30
D) 13
E) 10

Question

An opinion poll was conducted by the Morris Polling Group. Respondents were classified according to their sex (M or F), political affiliation (D, I, R), and the region of the country in which they reside (NW, W, C, S). ​
Use the generalized multiplication principle to determine the number of possible classifications.
​
A) 21
B) 24
C) 30
D) 13
E) 10

Quizplus · Accepted Answer

There are 2 options for sex (M or F), 3 options for political affiliation (D, I, R), and 4 options for the region (NW, W, C, S). Using the generalized multiplication principle, the total number of possible classifications is 2 * 3 * 4 = 24.

An Opinion Poll Was Conducted by the Morris Polling Group