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anzhelika [568]
4 years ago
5

A couple has 2 children. what is the probability that both are girls if the older of the two is a girl?

Mathematics
1 answer:
12345 [234]4 years ago
7 0
Assuming that the probability of boys and girls is equal (in reality slightly more boys than girls are born), the probability is 1/2, simply because the older girl's gender is given and therefore not a part of the probability.

This question comes from the 'boy or girl paradox', a.k.a. the Mrs Smith Problem.
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Veseljchak [2.6K]

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....this answer is not from me. The same question was asked on brainy and I've copy pated it, it is the right answer tho. Credit goes to "MsEHolt" for answering.

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Step-by-step explanation:

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