Basic Probability Practice

Front

What is probability?

Back

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

Tags

CCSS.7.SP.C.5

Front

What is the probability of an event that is certain to happen?

Back

1 (or 100%)

Tags

CCSS.7.SP.C.5

Front

What is the probability of an impossible event?

Back

0 (or 0%)

Tags

CCSS.7.SP.C.5

Front

If the probability of an event is 30%, what is the probability that it will not occur?

Back

70% (100% - 30%)

Tags

CCSS.7.SP.C.5

Front

How do you calculate the probability of picking a specific item from a group?

Back

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

Tags

CCSS.7.SP.C.7A

Front

In a bag with 5 quarters, 2 dimes, and 4 pennies, what is the probability of picking a quarter?

Back

5/11

Tags

CCSS.7.SP.C.7B

Front

What is conditional probability?

Back

Conditional probability is the probability of an event occurring given that another event has already occurred.

Tags

CCSS.HSS.CP.A.3

CCSS.HSS.CP.A.5

Front

If the probability of a boy speaking German is 0.7273, what does this represent?

Back

This represents the conditional probability of picking a boy given that the person speaks German.

Tags

CCSS.HSS.CP.A.3

CCSS.HSS.CP.A.5

Front

What is the probability of spinning a spinner and landing on RED if it has 2 red sections out of 4 total sections?

Back

50% (2 out of 4 sections are red)

Tags

CCSS.7.SP.C.7B

Front

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

Back

1/6

Tags

CCSS.7.SP.C.7A