Question

Find the probability of having one boy in a family with 3 children

Answer 1

here is your answer

one boy= 1

total outcomes
favorable =1
p(e) 1÷3

Answer 2

representing boy as B
girl as G
possible outcomes: BBB, GGG, BBG, GGB
P(one boy)=3/4
.....hope it is correct
......hope it helps