Probability for Junior Cycle

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 spinning the spinner and having it land on RED?

• 33%
• 50%
• 12%

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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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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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Is the spinner more likely or less likely to land on green than yellow?

• more likely
• less likely

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CCSS.7.SP.C.5

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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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CCSS.7.SP.C.5

CCSS.7.SP.C.7

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

P(not A) = 
*Remember to simplify.*

• 6/8
• 3/4
• 2/8
• 1/4

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CCSS.7.SP.C.5

A bag has 3 red marbles, 2 blue and 4 yellow. What is the theoretical probability of pulling a red?

• 3/10
• 3/9
• 1/9
• 1/3

Tags

CCSS.7.SP.C.5

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