In a family of three children , what is the probability of having at least one boy ?
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4
3/3, 2/3, 1/3, 0/3
they can be all males---1 = 3/3
they can be 2males----2 = 2/3
they can be 1 males---3 = 1/3
they can be no any males---4 = 0/3
they can be all males---1 = 3/3
they can be 2males----2 = 2/3
they can be 1 males---3 = 1/3
they can be no any males---4 = 0/3
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2
3/3,2/3,1/3,0/3
They can be all males=3/3
They can be 2 males=2/3
They can be 1 male=1/3
They can be no any males=0/3
They can be all males=3/3
They can be 2 males=2/3
They can be 1 male=1/3
They can be no any males=0/3
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