In a large crowd,there are three times as many men as women.

Three people are chosen at random. Assuming there are so many people that choosing three has a negligible effect on the proportion of men to women. Using tree probability.
Find the probability that they are
A. All men
B.2 women and 1 man

1 answer

P (man)=1/4
P (man,man,man)=1/4)^3
P (2w,1m)