In a family of 3 children what is the probability that atleast one is a boy
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B=BOY
G=GIRL
S={BB,GG,BG}
n (s)=3
E={BB,BG}
n (e)=2
P (E)=n (e)/n (s)
=2/3
G=GIRL
S={BB,GG,BG}
n (s)=3
E={BB,BG}
n (e)=2
P (E)=n (e)/n (s)
=2/3
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