Solved

As Part of a Promotion, Both You and Your Roommate

Question 107

Multiple Choice

As part of a promotion, both you and your roommate are given free cellular phones from a batch of 13 phones. Unknown to you, four of the phones are faulty and do not work. Find the probability that one of the two phones is faulty.


A) .077
B) .538
C) .231
D) .462

Correct Answer:

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