Experimental Probability

You rolled 2 dice ten times and recorded the sum of each of the rolls. What is the experimental probability that the next sum you roll is a 7?

• 0

• 1/7

• 7/10

• 3/10

You choose marbles out of bag at random and record your results. What is the experimental probability that the next marble you draw will be BLUE?

• 1/5

• 1/3

• 1/6

• 6/10

Experimental Probability is....

• What will happen

• What should happen

• What I think happens

• What does happen

Theoretical Probability is...

• What will happen

• What should happen

• What I think happens

• What does happen

What is the experimental probability of pulling a green marble? Write your answer as a percent.

• 12.5%

• 8%

• 80%

• 32%

What is the experimental probability of rolling a 1?

• 4/25

• 1/6

• 9/50

• 1/5

What is the theoretical probability of landing on yellow?

• 1/3

• 1/4

• 1/2

• 2/3

A basket has 3 red balls, 2 blue balls, and 5 green balls. If a ball is picked at random, what is the probability that the next ball will be red or blue?

• 3/10

• 1/5

• 1/2

• 1/6

 

A bag has 16 blue marbles and 14 red marbles. John will randomly select 1 marble from the bag. What is the probability that he will select a red marble?

• 7/15

• 1/2

• 8/15

• 1/6