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# What is the probability that a man and woman selected at

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Current Student
Joined: 31 Aug 2007
Posts: 371
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Kudos [?]: 53 [0], given: 1

What is the probability that a man and woman selected at [#permalink]  10 Dec 2007, 07:50
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What is the probability that a man and woman selected at random amongst 4 married couples happen to be married to each other?
A) 1/16
B) 1/4
C) 1/7
D) 4C2/16C2
E) 4/16C2
Director
Joined: 13 Nov 2003
Posts: 793
Location: BULGARIA
Followers: 1

Kudos [?]: 26 [0], given: 0

Hi,
you can select 2 people out of 8 in 28 ways. When these people are not married the prob is 8X6/2=24 ways. The prob that they are married is 4/28=2/14
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