Probability Concepts and Applications

Front

What is probability?

Back

Probability is a measure of how likely an event is to occur, expressed as a number between 0 (impossible) and 1 (certain).

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CCSS.7.SP.C.5

Front

What does a probability of 0 mean?

Back

A probability of 0 means that the event is impossible and will not occur.

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CCSS.7.SP.C.5

Front

What does a probability of 1 mean?

Back

A probability of 1 means that the event is certain to occur.

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CCSS.7.SP.C.5

Front

What does a probability of 0.5 indicate?

Back

A probability of 0.5 indicates that the event is equally likely to occur or not occur.

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CCSS.7.SP.C.5

Front

If the probability of an event is 0.74, how would you describe the likelihood of the event?

Back

The event is likely to occur.

Tags

CCSS.7.SP.C.5

Front

What is the probability of rolling a 6 on a fair number cube (1-6)?

Back

The probability is 1/6.

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CCSS.7.SP.C.7A

Front

What is the probability of pulling a red marble from a jar with 10 green, 7 red, and 3 blue marbles?

Back

The probability is 7/20.

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CCSS.7.SP.C.7B

Front

What is the formula for calculating probability?

Back

Probability = (Number of favorable outcomes) / (Total number of outcomes).

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CCSS.7.SP.C.7A

Front

What does it mean if an event is described as 'unlikely'?

Back

An event is described as 'unlikely' if its probability is less than 0.5.

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CCSS.7.SP.C.5

Front

What is the probability of spinning a 2 on a spinner divided into 8 equal sections?

Back

The probability is 1/8.

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CCSS.7.SP.C.7A