Theoretical / Experimental Probability

What is the probability of spinning green?

• 0
• 1/4
• 1/2
• 3/4

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

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

A bag has 4 green marbles, 3 red, 2 blue and 1 yellow. What is the theoretical probability of pulling a red?

• 3/10

• 3/6

• 1/9

• 1/3

There are 9 boys and 6 girls in a classroom; what is the probability of selecting a girl to take attendance to the office?

• 9/16

• 6/9

• 6/15

• 2/5

The probability of spinning a pink section

• 1

• 1/5

• 2/5

• certain

Theoretical P(Heart)

• 13/40

• 13/52

• 4/52

• 3/4

The letters that form the word ALGEBRA are placed in a bowl. What is the probability of choosing a letter other than “A”? 

• 2/7
• 5/49
• 5/7
• 10/49

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

Tammy rolled a die five times.

Here is what she got on her five rolls: 1, 3, 3, 4, & 4

Find the experimental probability:

P(3) =

• 3/5

• 1/6

• 2/5

• 1/3