Math 7/8 Probability Review

Probability is ...

• the chance that some event will occur.
• a game that involves coins.
• a guarantee.

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Probability can be written as ...

• a fraction
• a decimal
• a percent
• all of the above

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Valeria is playing a number game where she has two tiles for each number from 0 to 9. A tile is chosen at random. List the favorable outcome for choosing an 2?

• 20

• 2, 2, 2

• 2

• 2 and 2

Valeria is playing a number game where she has two tiles for each number from 0 to 9. A tile is chosen at random.List the favorable outcome for not choosing an even number?

• 1, 1, 3, 3, 5, 5, 7, 7, 9, 9

• 1, 3, 5, 7, 9

• 2, 2, 4, 4, 6, 6, 8, 8, 0, 0

• 0, 2, 4, 6, 8

What is the probability of flipping a coin

3 times and getting 3 heads?

• 1/8

• 1/4

• 1/2

• 3/4

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The spinner is spun two times. Determine the probability of landing on red the first spin and on green the second spin .

• 1/9

• 1/10

• 0

• 1/12

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A coin and a number cube with the numbers 1 through 6 are tossed. What is the probability of the coin showing tails and the number cube showing the number 3?

• 1/12

• 1/4

• 1/8

• 1/2

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A bag contains 30 pieces of candy. There are 15 grape, 7 cherry, 3 lemon, 5 strawberry. What is the probability of drawing a lemon?

• 3

• 1/10

• 3/10

• 30%

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