Practice for Probability

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

The chart below represents the number of marbles in a jar.
P(green) = 

• 5/19
• 10/28
• 5/14

A bag contains 30 pieces of candy. There are 15 grape, 7 cherry, 3 lemon, 5 strawberry. What is the probability of drawing a lemon?

• 3
• 1/10
• 3/10
• 30%

P(not A) = 
*Remember to simplify.*

• 6/8
• 3/4
• 2/8
• 1/4

Rolling a 15 on a number cube is 

• Impossible
• Certain
• Unlikely
• Equally Likely

What is the probability that you choose blue? *simplify your answer*

5 green

6 yellow

8 blue

7 brown

• 8/26

• 4/13

• 8/25

• 1/3

What is the probability of spinning a 2 on the spinner?

• 1/2

• 1/3

• 1/8

• 1/4

What is the probability of the spin stopping on yellow?

• 1/4

• .25

• 50%

• 75%

Probability can be written as a 

• fraction
• decimal
• percent
• all of the above

A die is rolled. What is the probability that the result is less than 3 ?

• 1/2
• 1/3
• 1/4
• 1/6