siddharthjain
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- -6of 6 votes
AnswersThere are three persons A,B,C .A shots the target 6 times out of 7 shots .B shots 4 out of 5 shots .Then what is the probability of hitting the target twice when 2 persons are selected at random.
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of 1 vote
There are 6 pairs of white socks and 6 pairs of black socks which means that the total number of socks are 24, so the answer should be
2 * (12 * 11) / ( 24 * 23 ) = 11 / 23
Correct me If I am wrong.
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C details : assume that C hits 4 times out of 9
- siddharthjain July 29, 2013