Probability

Probability can be written as ...

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

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Probability is ...

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

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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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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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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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What is the probability of spinning an even number?

• 16 2/3%

• 33 1/3%

• 50%

• 75%

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What is the probability of pulling a red marble out of a jar of marbles that have 10 green marbles, 7 red marbles and 3 blue marbles?

• 1/7
• 7/20
• 7/10
• 3/10

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What is the probability of the spinner landing on red?

• 5/12
• 1/5
• 5/5
• 3/5

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Is it certain or impossible for the spinner to land on orange?

• imposssible
• certain

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Which color marble is least likely to be pulled from the jar?

• Green 
• Red
• Blue
• Yellow

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