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17-05-2019, 01:10 AM
An honorable member of the Coffee Shop Has Just Posted the Following:

[IQ Challenge]

Q1. If a couple has two children (born 1 year apart and have different names), given that at least one of them is a girl,
what is the probability that both children are girls?

Q2 If a couple has two children (born 1 year apart and have different names), given that at least one of them is a girl,
and that this girl is named Ah Lian, what is the probability that Ah Lian's sibling is also a girl?

Q3 Why are the correct answers to the Q1 & Q2 different?


Click here to view the whole thread at www.sammyboy.com (https://www.sammyboy.com/threads/iq-challenge-if-a-couple-has-two-children-given-that-at-least-one-of-them-is-a-girl-what-is-the-probability.268422/).