Decimal Probability Based on Table

The chance an event will occur. It can be written as a fraction, decimal or percent.

• odds

• sample space

• outcome

• probability

The chart below represents the number of marbles in a jar.

P(green) =

• 5/19

• 1/5

• 5/14

Andrew picks one marble at a time from a box and replaces it. He repeats this process 25 times and records the results in the table. Based on the table, which color marble has an experimental probability of 1/5?

• Yellow

• Red

• Blue

• Green

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

• 1/4

• 4/13

• 8/25

• 1/3

The table shows the numbers of boys and girls that are enrolled in Spanish, French, or German class. If a student is chosen at random, what is the probability that the student is in Spanish or is a boy?

• .20

• .40

• .70

• .90

What is the probability that a chosen student is a girl?

Based on this experiment, what is the probability that a girl in athletics is chosen? 

• 22/37

• 15/37

• 11/40

• 7/10

What is the probability the factory makes less than 2 defective cars per day?

• 0.22

• 0.31

• 0.47

• 0.78

• 60/105

• 60/95

• 60/188

• 60/83

Use the table of probabilities to find P(D).

• 0.4

• 0.3

• 0.2

• 0.1