Basic Probability 7.6E

Front

What is probability?

Back

Probability is a measure of how likely an event is to 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

How do you calculate the probability of a single event?

Back

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

Tags

CCSS.7.SP.C.7A

Front

If a jar contains 2 pink, 6 red, and 4 blue marbles, what is the total number of marbles?

Back

12 marbles (2 + 6 + 4 = 12)

Tags

CCSS.3.OA.D.8

Front

What is the probability of picking a red or blue marble from the jar?

Back

5/6 (5 favorable outcomes: 6 red + 4 blue out of 12 total)

Tags

CCSS.HSS.CP.B.7

Front

What is the complement of an event?

Back

The complement of an event is the probability that the event does not occur.

Tags

CCSS.HSS.CP.A.1

Front

If a spinner has 4 colors: red, blue, green, and purple, what is the complement of spinning purple?

Back

Not purple (which includes red, blue, and green)

Tags

CCSS.HSS.CP.A.1

Front

What is the probability of picking a quarter from a bag containing 5 quarters, 2 dimes, and 4 pennies?

Back

5/11 (5 quarters out of 11 total coins)

Tags

CCSS.7.SP.C.7B

Front

What is the probability of rolling a die and landing on a 2?

Back

1/6 (1 favorable outcome out of 6 possible outcomes)

Tags

CCSS.7.SP.C.7A