Problema Solution

A researcher is working with a group of

10

participants,

5

of whom are female and

5

of whom are male. The researcher will select one participant from the group at random, and then she will select a second participant at random from the remaining participants. What is the probability that two females will be selected?

Report your answer as an exact fraction.

Answer provided by our tutors

P(two females are selected) = (5/10)*(4/9)

P(two females are selected) = 2/9