Probability Worksheet

What is the probability of her randomly choosing a white shirt?

• 4/15

• 5/15

• 3/15

• 4/5

Joshua has a deck of cards. What is the probability of Joshua randomly choosing a number card from the clubs suit?

• 4/13

• 10/13

• 9/13

• 3/13

What is the probability of randomly choosing a prime number card?

• 1/12

• 5/12

• 7/12

• 6/12

If each section of the spinner is the same size, what is the probability of spinning purple or blue?

• 2/6

• 1/2

• 3/2

• 2/1

If the odds of winning a game are 1:4, what is the probability of winning?

If a jar contains 10 white, 5 red, and 15 blue marbles, what is the probability of drawing a red marble?

A fair die is rolled. What is the probability of rolling a number greater than 4?

What is the probability of rolling a 6 on a fair six-sided die?

A certain event is an event...

• that has a probability of 1

• that is equally likely to occur

• that shows all results

• that almost always happens

A box contains 3 red balls and 2 blue balls. If two balls are drawn at random, what is the probability that both are red?