Simple Probability and its Compliment

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 complement of an event?

Back

The complement of an event is the set of all outcomes in a sample space that are not included in the event.

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CCSS.HSS.CP.A.1

Front

If the probability of an event A is 0.3, what is the probability of its complement?

Back

The probability of the complement of event A is 1 - P(A) = 1 - 0.3 = 0.7.

Tags

CCSS.HSS.CP.A.2

CCSS.HSS.CP.A.4

Front

What does it mean to say an event is 'more likely'?

Back

An event is 'more likely' if its probability is greater than 0.5.

Tags

CCSS.7.SP.C.5

Front

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

Back

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CCSS.7.SP.C.7B

Front

How do you calculate the probability of two independent events both occurring?

Back

Multiply the probabilities of each event: P(A and B) = P(A) * P(B).

Tags

CCSS.HSS.CP.A.2

CCSS.HSS.CP.A.4

Front

What is the probability of selecting a red marble from a bag containing 3 red, 2 blue, and 5 green marbles?

Back

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CCSS.7.SP.C.7B

Front

If you have a bag with 4 red and 6 blue marbles, what is the probability of selecting a blue marble?

Back

Tags

CCSS.7.SP.C.7B

Front

What is the probability of not rolling a 4 on a six-sided die?

Back

Tags

CCSS.HSS.CP.B.7

Front

What does it mean if two events are mutually exclusive?

Back

Two events are mutually exclusive if they cannot occur at the same time.