Experimental and Theoretical Probability

Experimental Probability is ______

• found by conducting an experiment with multiple trials

• calculated using a sample space and equally likely events

Theoretical Probability is ______

• found by conducting an experiment with multiple trials

• calculated using a sample space and equally likely events

The spinner was spun 30 times and landed on blue 12 times. What was the experimental probability of the spinner landing on colors that were not blue?

• 2/5

• 3/5

• 4/5

• 1/5

Bella will roll a number cube, labeled 1 through 6, 300 times. About how many times could Bella expect to roll a number less than 4?

• 50

• 100

• 150

• 200

McKayla flipped a coin 150 times. How many times could McKayla expect the coin to land on tails?

• 25

• 50

• 75

• 100

Experimental Probability is:

• What Will happen 
• What actually happens
• What should happen
• What I think Happens

Theoretical Probability is?

• What Should happen
• What does happen
• What Will Happen
• What I want to Happen

What is the Theoretical Probability of not landing on red?

• 25%
• 50%
• 65%
• 66.7%

There are 4 jacks in a standard deck of 52 playing cards. If Peyton selects a card at random, what is the probability that it will be a jack?

• 1/13

• 1/52

• 1/2

• 12/13

Kyleigh saw 10 blue, 8 red, and 42 white cars drive by her house in 1 hour. What is the experimental probability that the next car the drives by her house will not be a white car?

• .5

• .6

• .3

• .7