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A couple decided to have 4 children. What is the probability that they will have at least two boys?
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A couple decided to have 4 children.

What is the probability that they will have at least two boys?

User Gulshan Maurya
by
8.2k points

1 Answer

0 votes
See below the theee of possibilities:

BBBB
BBBG
BBGB
BBGG
BGBB
BGBG
BGGB
BGGG
GBBB
GBBG
GBGB
GBGG
GGBB
GGBG
GGGB
GGGG

There are 16 differents possibilities.
In 11 of them have at least 2 boys

So probability is 11/16
User LazerBanana
by
8.1k points
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