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

Expected Value = 0.9206

so expected value we expect 1 liberal to be chose

Step-by-step explanation:

given data

delegation = 3 selected

liberals = 4

conservatives = 5

solution

we know that Delegates total 4 liberals 5 conservatives.

so here Probability of getting a liberal is

Probability of getting a liberal =

and

Expected Value will be here

Expected Value = 3

Expected Value = 0.4444 + 0.3333 + 0.1428

Expected Value = 0.9206

so expected value we expect 1 liberal to be chose

answer: 0+0=0

step-by-step explanation:

that is the only answer that can make 0