Probability of Simple Events

Front

What is the definition of probability?

Back

Probability is a measure of the likelihood that an event will occur, expressed as a number between 0 and 1, or as a percentage.

Tags

CCSS.7.SP.C.5

Front

How do you calculate the probability of a simple event?

Back

The probability of a simple event is calculated by dividing the number of favorable outcomes by the total number of possible outcomes.

Tags

CCSS.7.SP.C.7A

Front

What is the probability of selecting an orange from a basket of 15 fruits with 3 oranges?

Back

The probability is 3/15, which simplifies to 1/5.

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CCSS.7.SP.C.7B

Front

What is the probability of flipping heads on a fair coin?

Back

The probability is 1/2 or 50%.

Tags

CCSS.7.SP.C.5

Front

If a spinner has 4 equal sections numbered 1 to 4, what is the probability of landing on 3?

Back

The probability is 1/4 or 25%.

Tags

CCSS.7.SP.C.7A

Front

In a scenario with 18 dogs, 4 of which are Yorkshire terriers, how do you find the probability of selecting a Yorkshire terrier?

Back

The probability is 4/18, which simplifies to 2/9.

Tags

CCSS.7.SP.C.7B

Front

What is the total number of outcomes when flipping a coin?

Back

There are 2 outcomes: heads or tails.

Front

If a spinner has 8 equal sections, what is the probability of landing on any specific number?

Back

The probability is 1/8.

Tags

CCSS.7.SP.C.7A

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 to occur.

Tags

CCSS.7.SP.C.5