Use the special multiplication rule to find the indicated probability.
-In one large city, 42% of all voters are Democrats. If two voters are randomly selected for a survey, find the probability that they are both Democrats.
A)0.176
B)0.420
C)0.172
D)0.840

Question

Use the special multiplication rule to find the indicated probability.
-In one large city, 42% of all voters are Democrats. If two voters are randomly selected for a survey, find the probability that they are both Democrats. 
A)0.176
B)0.420
C)0.172
D)0.840

Quizplus · Accepted Answer

The probability that both voters are Democrats is found by multiplying the probability of selecting a Democrat twice (assuming independent events): 0.42 * 0.42 = 0.1764, which rounds to 0.176.

Use the Special Multiplication Rule to Find the Indicated Probability