Probability Review

What is the difference between Theoretical and Experimental Probability?

• What actually happens compared to what should happen.
• What should happen compared to what actually happened.
• What you do compared to what you think will happen.

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

• 0
• 8/6
• 4/3
• 1/2

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

• 5/11
• 5/6
• 1/3
• 5

If Angie spins the spinner 250 times, predict the number of times it will land on green. Outcome Freq. Red 4 Green 10 Blue 6 

• 10
• 50
• 25
• 125

Quinn runs a sandwich shop. Since she added a turkey melt to the menu, 36 out of 120 customers have ordered the new sandwich. What is the probability that the next customer will order a turkey melt?
choose the answer that is simplified.

• 36/120
• 3/10
• 1/3
• 9/30

Tags

CCSS.7.SP.C.6

Experimental Probability is:

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

A bag has 3 red marbles, 2 blue and 4 yellow. What is the theoretical probability of pulling a red?

• 3/10
• 3/9
• 1/9
• 1/3

On a 6-sided die, which is more likely?

• Rolling an odd number
• Rolling an even number
• They are both equally likely.

Based on the chart, what is the experimental probability of pulling a green marble?

• 1/8
• 8/25
• 8/100
• 7/8

A spinner is marked with four sections and was spun 100 times. What is the experimental probability of landing on red and blue?

• 14%
• 82%
• 68%
• 100%