Experimental and Theoretical Probability

What is the Theoretical Probability of NOT landing on red?

• 25%
• 50%
• 65%
• 66.7%

What is the Theoretical Probablility of landing on red?

• 43%
• 33.3%
• 40%
• 36%

An experiment consists of rolling a fair number cube. Find the theoretical probability of rolling an 8.

• 0
• 8/6
• 4/3
• 1/2

Find the theoretical probability of NOT landing on yellow if you spin the spinner.

• 12.5%
• 87.5%
• 1
• 75%

A bag contains 5 quarters, 2 dimes, and 4 pennies. What is the probability of picking a quarter?

• 0.45
• 0.83
• 0.33
• 5

Find the experimental probability:
Roll dice:  1, 3, 3, 4, 4
P(1) = 

• 60%
• 16.7%
• 40%
• 20%

Find the experimental probability:
Roll dice:  1, 3, 3, 4, 4
P(3) = 

• 60%
• 17%
• 40%
• 80%

Theoretical Probability is?

• What should happen...
• What does happen...
• What will happen...
• What I want to happen...

Experimental Probability is:

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

A dice (numbered 1-6) is rolled 20 times.  How many times will a number less than 4 show? (hint: set up a proportion.)

• 5
• 10
• 15
• Never