Probability - Pre Algebra

Probability is ...

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

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CCSS.7.SP.C.5

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Probability can be written as ...

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

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CCSS.7.SP.C.5

What is the probability of flipping a coin and getting heads?

• 1/2
• 1/3
• 1/4
• Never, Tails never fails.

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CCSS.7.SP.C.5

A bag contains 5 quarters, 2 dimes, and 4 pennies. What is the probability of picking a quarter?

• 5/11
• 5/6
• 1/3
• 5

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CCSS.7.SP.C.5

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The probability of it raining today is 30%.  What is the probability that it will NOT rain?

• 30%
• 70%
• 100%
• 0%

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CCSS.7.SP.C.5

What is the probability of spinning an even number?

• 16 2/3%

• 33 1/3%

• 50%

• 75%

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CCSS.7.SP.C.5

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The probability of Asher's soccer team winning its next game is 7/10.  What is the probability of not winning their next game?

• unlikely
• 3/10
• 1/2
• impossible

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CCSS.7.SP.C.5

If you were to roll the die one time what is the probability of it landing on a 2?

• 2 out of 6
• 2 out of 2
• 1 out of 6
• 1 out of 1

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CCSS.7.SP.C.5

A jar contains 2 pink, 6 red, and 4 blue marbles. If you pick one marble without looking, what is the probability that the marble you pick will be red or blue?

• 5/6
• 1/2
• 1/3
• 1/6

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CCSS.7.SP.C.5

CCSS.7.SP.C.7

Bag A contains 9 red marbles and 3 green marbles. Bag B contains 9 black marbles and 6 orange marbles. Find the probability of selecting one green marble from bag A and one black marble from bag B.

• 3/20
• 1/4
• 3/31
• 2/27

Tags

CCSS.7.SP.C.5

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