Exploring Sample Space in Probability

What is the formula for calculating simple probability?

• Total outcomes minus favorable outcomes

• Favorable outcomes divided by total outcomes

• Total outcomes divided by favorable outcomes

• Favorable outcomes plus total outcomes

What is the probability of rolling a 3 with a six-sided die?

• 2/6

• 1/2

• 1/6

• 1/3

If Luis wants to roll a 2 or a 5 with a six-sided die, what is his probability of success?

• 2/6

• 1/3

• 1/2

• 1/6

What is the probability of drawing a card numbered less than 5 from a set of cards numbered 1 through 10?

• 4/10

• 1/2

• 2/5

• 3/5

If a bag contains 4 red, 6 blue, and 2 green marbles, what is the probability of drawing a green marble?

• 1/2

• 1/6

• 2/12

• 1/3

What is the probability of drawing a number that is a multiple of 3 from a set of cards numbered 1 through 10?

• 2/5

• 3/10

• 1/3

• 1/2

What is the probability of selecting a tragedy from a collection of 6 comedies and 12 tragedies written by Shakespeare?

• 2/3

• 1/2

• 1/3

• 12/18

What is the probability of not picking a green marble from a bag containing 4 red, 6 blue, and 2 green marbles?

• 2/3

• 10/12

• 1/6

• 5/6

What is the probability of getting a yellow marble from a bag containing 4 red, 6 blue, and 2 green marbles?

• 1/6

• 1/12

• 0

• 2/12

If the probability of getting a grape jellybean is 3/10 and cherry is 1/5, what is the probability of getting an orange jellybean?

• 3/10

• 2/5

• 5/10

• 1/2