Probability and Percent

I have 4 yellow marbles and 8 blue marbles in a bag. What is the probability that I will pick a blue?

• Likely

• Unlikely 

• Certain

• Impossible

What is the probability that you choose blue? *simplify

• 8/26

• 4/13

• 8/25

• 1/3

A bag has 3 red marbles, 2 blue and 4 green and 1 yellow. What is the theoretical probability of pulling a red?

• 3/10

• 3/9

• 1/9

• 1/3

A jar contains 2 pink, 6 red, and 4 blue marbles. If you pick one marble without looking, what is the probability that the marble you pick will be red or blue?

• 5/6

• 1/2

• 1/3

• 1/6

If an event is absolutely certain, what percent probability will it have?

• 0%

• 25%

• 75%

• 100%

On an airline, approximately 10% of the airline passengers who are booked for a flight do not show up for the flight. The airlines has booked 160 passengers for a flight with maximum seating of 135. How many of the 160 passengers booked for this flight will not have a seat, assuming 10% of the booked passengers do not show up?

• 5

• 9

• 12

• 15

Jade put 3 green tiles, 7 red tiles, and 11 orange tiles in a box. If she closes her eyes and picks a tile, what is the probability that the tile will NOT be green?

• 1/7

• 1/3

• 11/21

• 6/7

Brooke is eating a small box of animal crackers at lunch. There are 4 elephants, 3 lions, 1 monkey, 1 horse, and 1 bear in the box. If Brooke picks one cracker randomly from the box, what is the probability she will choose an elephant or a horse?

• 1/10

• 4/10

• 1/2

• 6/10

An online office supply store has 30 boxes of white printer paper, 10 boxes of colored printer paper, 5 ink printer cartridges, 7 laser printer cartridges. Thomas selects an item at random. Based on the given information, which statement is true?

• The item is more likely to be an ink printer cartridge than a laser printer cartridge.

• The item is less likely to be colored printer paper than a laser printer cartridge.

• The item is more likely to be white printer paper than any other product.

• The item is less likely to be colored printer paper than any other product.

What is the probability of the spinner landing on purple?

• 2/8

• 2

• 2/6

• 1/8