8.2 - Probability Questions Quiz

If a coin is flipped and falls freely, what is the probability of it landing on tails?

During the last 365 days, a weather forecaster’s predictions have been right 292 days. What is the probability that the forecaster’s prediction of tomorrow’s weather will be right?

A bag holds 3 plastic disks. 1 is green, 1 is red, and 1 is yellow. Each disk is picked, and then placed back into the bag. 

What is the probability you choose a red disk?

A bag holds 3 plastic disks. 1 is green, 1 is red, and 1 is yellow. Each disk is picked, and then placed back into the bag. 

What is the probability you choose a yellow or a green disk?

A bag holds 3 plastic disks. 1 is green, 1 is red, and 1 is yellow. Each disk is picked, and then placed back into the bag. 

What is the probability you choose a blue disk?

A bag holds 3 plastic disks. 1 is green, 1 is red, and 1 is yellow. Each disk is picked, and then placed back into the bag. 

If 600 disks are picked, how many times would you expect that the disks will not be green?

40 balls, numbered from 1 to 40 are placed in a drum.

What is the probability of you picking a ball numbered 4?

40 balls, numbered from 1 to 40 are placed in a drum.

What is the probability of you picking a ball with an even number?

40 balls, numbered from 1 to 40 are placed in a drum.

What is the probability of you picking a ball that is a multiple of 5?

40 balls, numbered from 1 to 40 are placed in a drum.

What is the probability of you picking a ball numbered 52?