Sample Space and Probability

If you have a new deck of shuffled cards, what is the probability that you will choose an ace?

• 1/13

• 1/2

• 1/4

• 1/6

You have a bag with 10 marbles. Three of them are red, five are blue, and two are green. What is the probability of NOT picking a green marble out of the bag randomly?

• 0

• 1/2

• 1/5

• 4/5

Hannah is getting dressed for a party. She plans to wear either shorts or jeans, a red,blue, or green shirt, and flip flops or tennis shoes. According to the tree diagram, how many possible outfits can she make?

• 8

• 10

• 12

• 14

A coin is tossed, then a die is rolled, and the results are recorded. The number of possible outcomes for this event is

• 6

• 12

• 18

• 24

A bag contains 5 blue, 12 black, 6 red, and 7 green marbles. If one marble is chosen at random the probability that it is NOT blue is

• 1/25

• 1/6

• 2/3

• 5/6

Jenna rolls two standard dice. Which outcome has the GREATEST probability of occuring?

• a sum of 2

• a sum of 3

• a sum of 6

• a sum of 12

If the probability of an event is 3/7, what is the probability of the complementary event?

• -4/7

• 4/7

• -3/7

• 5/7

Michael has 4 red shirts, 3 green shirts, and 5 blue shirts in his closet. If he randomly selects a shirt, what is the probability that he chooses green or red?

• 1/3

• 1/4

• 5/12

• 7/12

You are rolling two dice at the same time. What is the probability of rolling a sum of 5 or 9?

• 1/81

• 1/18

• 2/9

• 5/9

Sally goes out to lunch and has the option of a soup or salad and then a turkey, ham or club sandwich. Which tree diagram correctly shows all of her choices?

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