Find the indicated probability by using the general addition rule.
-Of the 94 people who answered "yes" to a question, 6 were male. Of the 54 people who answered "no" to the question, 12 were male. If one person is selected at random from the group, what is the Probability that the person answered "yes" or was male?
A)0.716
B)0.122
C)0.064
D)0.757

Question

Find the indicated probability by using the general addition rule.
-Of the 94 people who answered "yes" to a question, 6 were male. Of the 54 people who answered "no" to the question, 12 were male. If one person is selected at random from the group, what is the Probability that the person answered "yes" or was male? 
A)0.716
B)0.122
C)0.064
D)0.757

Quizplus · Accepted Answer

The probability of answering "yes" is 94/148 = 3/5. The probability of being male is (6 + 12)/148 = 3/14. The probability of answering "yes" or being male is 3/5 + 3/14 - 3/70 = 42/70 = 3/5 = 0.6.

Find the Indicated Probability by Using the General Addition Rule