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# What is the probability of bearing two boys from four born

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Manager
Joined: 24 Jun 2003
Posts: 91
Location: Moscow
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What is the probability of bearing two boys from four born [#permalink]  11 Aug 2003, 06:51
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What is the probability of bearing two boys from four born babies?
Manager
Joined: 10 Jun 2003
Posts: 210
Location: Maryland
Followers: 2

Kudos [?]: 4 [0], given: 0

Assuming the prob of a boy and girl are equal...

1/2 * 1/2 * 1/2 * 1/2 * 4C2 = 6/16 = 3/8
Manager
Joined: 24 Jun 2003
Posts: 91
Location: Moscow
Followers: 1

Kudos [?]: 1 [0], given: 0

mciato, you've nailed it.
_________________

Respect,

KL

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