Probabiltiy Review

What is the probability of flipping a coin and getting tails?

• 1/2
• 1/3
• 1/4
• Never, Tails never fails.

What is the probability of spinning an even number?

• 16 2/3%

• 33 1/3%

• 50%

• 75%

Find the probability of rolling greater than a 1 on a single die.

• 6/6
• 5/6
• 4/6
• 1/6

Find the probability of not rolling a 2 on a single die.

• 1/6
• 2/6
• 5/6
• 2

What is the probability of rolling 15 with a pair of dice?

• impossible
• unlikely
• equally likely
• likely

What is the probability of spinning green?

• 0
• 1/4
• 1/2
• 3/4

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

• 3/5
• 1/6
• 2/5
• 1/3

Experimental Probability is:

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

This is what SHOULD happen in an experiment or event.

• theoretical probability

• tree diagram

• simple event

• odds

In this jar of 20 jellybeans, 8 are pink. How many would be pink in a jar of 100?

• 20

• 40

• 5

• 100