Chapter 9 Practice Quiz

A jar contains 3 blue, 2 red, and 5 green marbles.

If you pick one marble without looking, what is the probability that the marble you pick will be red?*Make sure to simplify*

• 1/4

• 1/5

• 1/2

• 2/8

What is the probability of flipping a coin and getting tails?

• 1/2

• 1/3

• 1/4

• it depends on how luck you are

A likely chance event is closer to what number?

• 0

• 1

An unlikely chance event is closer to what number?

• 0

• 1

What is probability?

• a promise that something will happen

• a card game

• the chance that some event will occur.

Probability can be written as a fraction, decimal or percent?

• true

• false

A bag contains 5 quarters, 2 dimes, and 4 pennies. What is the probability of picking a penny?

• 5/11

• 2/11

• 4/11

• 0

The probability of it snowing today is 20%. What is the probability of it NOT snowing today?

• 20%

• 80%

• 40%

• 1/2

.

The probability of Max's basketball team winning their next game is 6/10. What is the probability of NOT winning their next game?

• 6/10

• 4/10

• 2/10

• 100%

If you were to roll the dice one time what is the probability of it landing on a 4?

• 1/4

• 2/4

• 1/6

• 0