You have 10 pennies in your pocket. Of those pennies, 3 are Canadian. Suppose you pick a penny out of your pocket at random. Find P(not Canadian).

1 answer

Since there are 10 pennies in total and 3 are Canadian, there are 10 - 3 = 7 pennies that are not Canadian.

Therefore, P(not Canadian) = 7/10 = 0.7.