Homework:Chapter 11 Review Homework

Question

A city council consists of five Democrats and seven

Republicans. If a committee of seven

people is​ selected, find the probability of selecting five

Democrats and two

Republicans.

Answer 1

There are

C * C (A)

5 5 7 2

ways to select 5 out of 5 democrats and 2 out of 7 republicans

There are

C (B)

12 7

ways to select a committee of 7 people out of 12 city council members

The probability will then be (A)/(B).