7th Grade 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 an event that is certain?

Back

The probability of a certain event is 1.

Tags

CCSS.7.SP.C.5

Front

What is the probability of an event that is impossible?

Back

The probability of an impossible event is 0.

Tags

CCSS.7.SP.C.5

Front

If a bag contains 3 red marbles, 2 blue marbles, and 4 yellow marbles, what is the total number of marbles?

Back

The total number of marbles is 9.

Tags

CCSS.1.MD.C.4

Front

How do you calculate the probability of an event?

Back

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

Tags

CCSS.7.SP.C.7A

Front

What is the probability of pulling a red marble from a bag with 3 red, 2 blue, and 4 yellow marbles?

Back

The probability is 3/9 or 1/3.

Tags

CCSS.7.SP.C.7B

Front

What does 'equally likely' mean in probability?

Back

'Equally likely' means that all outcomes have the same chance of occurring.

Tags

CCSS.7.SP.C.7A

Front

What is a tree diagram?

Back

A tree diagram is a visual representation of all possible outcomes of an event.

Tags

CCSS.7.SP.C.8B

Front

How many outcomes are there when rolling a die and flipping a coin?

Back

There are 12 outcomes (6 outcomes from the die x 2 outcomes from the coin).

Front

What is the probability of spinning a spinner and landing on a number?

Back

The probability is 1, as landing on a number is certain.

Tags

CCSS.7.SP.C.5