What Are the Chances? Probability Mixed Review

Kathleen rolled a number cube that has sides labeled 1 to 6.

What is the probability that she rolled a 2 or a 4?

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Kendra flips a coin 3 times. What is the probability that she flips tails all 3 times?

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Aurelio can choose between 3 pairs of pants and 4 shirts. How many different outcomes are in the sample space?

• 7

• 12

• 34

• 81

The experimental probability that Daria will win a game is ⅜ . If she plays the game 80 times, how many times can she expect to win?

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• 20

• 30

• 40

Tags

CCSS.7.SP.C.6

Melissa rolls two number cubes, each with sides that are labeled 1 to 6.

What is the probability that both number cubes show a 1?

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Meagan has a bag with 8 red cubes, 3 yellow cubes, and 5 green cubes.

What is the probability of that she will pick a red cube, keep it, and then pick another red cube?

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A bag contains 5 red marbles, 6 green marbles, and 3 blue marbles. If Cymra draws a marble, keeps it and then draws another marble, what is the probability that both marbles she draws will be red?

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The experimental probability that Ming will win a game of chance is ⅖. The experimental probability that Tyrell will win the same game is ⅝. If Ming and Tyrell each play 200 games, how many more games can Tyrell expect to win?

• 16

• 24

• 25

• 45

Tags

CCSS.7.SP.C.6

Desiree has a box of grease pencils. 8 are green, 10 are yellow, 9 are brown, and 5 are blue. What is the probability of Desiree selecting a green grease pencil at random, replacing it back into the box, and then selecting a yellow grease pencil?

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A math game is played with 2 fair number cubes. A green cube is numbered 1 through 3, and each number is marked on 2 faces. A red cube has faces numbered 1 through 6. If both cubes are tossed, what is the probability of rolling a 3 on the green cube and a 6 on the red cube?

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