Question

state whether it is a permuation or combination. and find the number of possibilities.

1. there are 35 people at a luncheon. they each shake hands with everyone else. how many handshakes were there?

2. a group of 12 people are going to compete in a pie eating contest. first place, second place, and third place all advance to the finals.

3. a team of 10 football players need to choose three players to refill the water cooler.

4. the student body of 14 students wants to elect a president, vice president, secretary, and treasurer.

5. a die is rolled, find the probability that an even number is obtained.

Answer 1