Basic Counting Principle Examples Page 1

There are 4 different coins in this piggy bank and 6 colors on this spinner.

If you pick 1 coin and spin the spinner:

a) how many possible outcomes could you have?

b) what is the probability that you will pick a quarter and spin a green section?

a) There are 4 different outcomes for the first event (a penny, nickel, dime, or quarter), and 6 different outcomes of the second event. That makes 4 × 6 = 24 different combined outcomes.

b) There is only one way to pick a quarter and spin a green section. So the probability is: