Question

If there are 3 children in a family, then what is the probability that there is at most one girl child?

Answer 1

Answer:

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Answer 2

Answer:

see for this kind of questions first list out all the possibilities.

3 children given. let ‘s b denote boy and g denote girl.

bbb, bbg, bgb, gbb, ggg, ggb, gbg, bgg total 8 possibilities.

now we want only one girl child. list out the possibilities with one girl child from the total possibilities = bbg, bgb, gbb total= 3

so prob= 3/8