Question

Find the probability that in a family of 3 children there will be at least one boy

Answer 1

$there \: are \: 8 \: different \: \\ probabilities \\ g \: g \: g \\ b \: b \: b \: \\ g \: g \: b \\ g \: b \: g \\ b \: g \: g \\ b \: b \: g \\ g \: b \: b \: \\ b \: g \: b \\ hence \: probability \: of \: getting \: atleast \: 1 \: boy \: is \: \\ \frac{7}{8}$
hope you get the answer