Single Event Probability

There is 4 blue marbles, 6 red marbles, 2 yellow marbles and 1 white marble in the bag. What is the probability of randomly choosing a yellow marble?

• 2/11

• 2/13

• 2/12

• 2/14

What is the probability of landing on the orange section?

• 1/4

• 1/2

• 2/4

• 3/4

What is the probability of rolling a cube and having it land as a six?

• 1/6
• 5/6
• 1/3
• 1/2

If you choose from the following M & M colors, what is the probability that you choose blue?

5 green

6 yellow

8 blue

7 brown

• 8/26

• 4/13

• 8/25

• 1/3

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

• 1/2
• 1/3
• 1/4
• Never, Tails never fails.

There is a 70% chance that it will snow tomorrow.  Is it impossible, certain, unlikely or likely it will snow?

• Certain

• Likely

• Unlikely

• Impossible

On a spinner, there are twenty equal-size sections numbered from 1 to 20. What is the likelihood that the spinner will stop on a multiple of 25?

• likely

• equally likely as unlikely

• unlikely

• impossible

On a spinner, there are twenty equal-size sections numbered from 1 to 20. Which spinner game is fair?

• If you spin more than 20, you win.

• If you spin a number greater than 10, you win.

• If you spin a multiple of 3, you win.

• If you spin a number greater than 4, you win.

Which event is closest to being fair?

• Event A

• Event B

• Event C

• Event D

If you drew a marble from a bag containing 32 marbles and you had a 1/4 probability of drawing a red marble, how many red marbles are in the bag?

• 2

• 4

• 8

• 16