Basic Probability

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).

Tags

CCSS.7.SP.C.5

Front

What is the probability of rolling a 3 on a standard six-sided die?

Back

1/6

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CCSS.7.SP.C.7A

Front

If a bag contains 3 red marbles and 7 blue marbles, what is the probability of drawing a red marble?

Back

3/10

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CCSS.7.SP.C.7B

Front

What does it mean if an event has a probability of 0?

Back

It means the event is impossible and will not occur.

Tags

CCSS.7.SP.C.5

Front

What does it mean if an event has a probability of 1?

Back

It means the event is certain and will definitely occur.

Tags

CCSS.7.SP.C.5

Front

How do you calculate the probability of an event?

Back

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

Tags

CCSS.7.SP.C.7A

Front

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

Back

1/2

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CCSS.7.SP.C.7A

Front

If you have a standard deck of 52 playing cards, what is the probability of drawing an Ace?

Back

4/52 or 1/13.

Tags

CCSS.7.SP.C.7B

Front

What is the probability of an event that is 'somewhat likely'?

Back

It is typically represented as a probability between 0.5 and 0.75.

Tags

CCSS.7.SP.C.5

Front

What is the probability of an event that is 'not very likely'?

Back

It is typically represented as a probability between 0 and 0.25.

Tags

CCSS.7.SP.C.5