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A woman has two kids. One is a boy. What are the odds the other is a boy?

Poll: What are the odds?
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100%
1.15%
 1 1.15%
50%
79.31%
 69 79.31%
33%
16.09%
 14 16.09%
25%
3.45%
 3 3.45%
Total 87 vote(s) 100%
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A woman has two kids. One is a boy. What are the odds the other is a boy?
Lerk
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#31
2009-03-12, 02:19 PM
Opeth Wrote:This isn't about coins.

Opeth Wrote:Consider the four possibilities for having two children:

B/B
B/G
G/B
G/G

Consider the four possiblities for flipping two coins:

H/H
H/T
T/H
T/T

That said, first one is H?

H/H
H/T

Second one is H?

H/H
T/H

Still 50% chance either way.
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A woman has two kids. One is a boy. What are the odds the other is a boy? - by Lerk - 2009-03-12, 02:19 PM

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