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.

Front

What is the formula for calculating probability?

Back

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

Front

What is a favorable outcome?

Back

A favorable outcome is the specific result of an event that we are interested in.

Tags

TEKS.MATH.7.6I

Front

What is a sample space?

Back

The sample space is the set of all possible outcomes of a probability experiment.

Tags

TEKS.MATH.7.6I

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.

Front

What is the probability of an impossible event?

Back

The probability of an impossible event is 0.

Front

If a spinner is divided into 8 equal sections, what is the probability of landing on any one section?

Back

1/8

Front

Ethan has 10 cans of soup. If he randomly chooses one can, what is the probability of choosing tomato soup if there are 2 cans of tomato soup?

Back

2/10 or 1/5

Tags

TEKS.MATH.7.6I

Front

What is the probability of drawing a green marble from a bag containing 5 red, 6 blue, 3 green, 4 black, and 2 yellow marbles?

Back

3/20

Tags

TEKS.MATH.7.6I

Front

If the probability of an event is 0.25, what is the probability of the event not occurring?

Back

0.75