SOLUTION: A bag contains a total of 15 batteries, of which five are defective. Selecting two at random, without replacement, determine the probability that none of the batteries you select
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Question 463924: A bag contains a total of 15 batteries, of which five are defective. Selecting two at random, without replacement, determine the probability that none of the batteries you select are good. Answer by sudhanshu_kmr(1152) (Show Source):
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number of ways to select 2 out of 15 = 15C2 = 105
number of ways to select 2 defective out of 5 = 5C2 = 10
probability that both defective = 10/105
