8.2 Simple Probability

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

The probability of an event that is certain to happen is 1.

Tags

CCSS.7.SP.C.5

Front

What is the probability of an event that is impossible?

Back

The probability of an event that is impossible is 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 letter is chosen from the word 'ALGEBRA', how many letters are there?

Back

There are 7 letters in the word 'ALGEBRA'.

Front

In the word 'ALGEBRA', how many letters are not 'A'?

Back

There are 5 letters that are not 'A' (L, G, E, B, R).

Front

What is the probability of selecting a letter other than 'A' from 'ALGEBRA'?

Back

The probability is 5/7.

Tags

CCSS.7.SP.C.7B

Front

What is the probability of rolling a number cube and getting a 6?

Back

The probability is 1/6.

Tags

CCSS.7.SP.C.7A

Front

If a bowl contains 4 yellow, 6 orange, 3 green, 5 blue, and 2 brown M&Ms, how many total M&Ms are there?

Back

There are 20 total M&Ms.

Tags

CCSS.1.NBT.A.1

Front

What is the probability of selecting a brown M&M from the bowl?

Back

The probability is 2/20 or 1/10.

Tags

CCSS.7.SP.C.7B