Problema Solution

A city council consists of six Democrats and four Republicans. If three members of the council are to be randomly selected, the probability of one Democrat and two Republicans is what?

Answer provided by our tutors

A city council consists of six Democrats and four Republicans. If three members of the council are to be randomly selected, the probability of one Democrat and two Republicans is what?

Solution:

P = C(6,1)*C(4,2)/C(10,3) = 0.3

So the probability of one Democrat and two Republicans is 0.3