A delegation of 3 is selected from a city council made up of

A delegation of 3 is selected from a city council made up of 5 liberals and 4 conservatives. What is the expected number of liberals in the delegation?

The expected number of liberals is ______. (round your answer to 2 decimal places, if necessary)

Solution

Here,

P(liberal) = 5/9

Thus,

E(liberal) = n P(liberal) = 3*(5/9) = 1.666667 = 1.67 [ANSWER]