Probability Review for Test

Theoretical Probability is...

• what will happen.
• what actually happens.
• what should happen.
• what I think happens.

Experimental Probability is...

• what will happen.
• what actually happens.
• what should happen.
• what I think might happen if a comet flies over.

How do you write a probability of 0.02 as a percent?

• 20%
• 200%
• 2%
• .02%

What is an outcome?

• The result of an experiment
• The chance or likelihood of an event
• A fraction, decimal, or a percent
• An activity that gives various results

A set of all possible outcomes is known as...

• a list.
• a complement.
• a sample space.
• an event.

What is the complement of spinning purple on this spinner?

• Not green
• Purple
• Not purple
• Orange, red, or yellow

Event A has a probability of 0.3. What is the probability of the complement of Event A?

• 30%
• 3/100
• 7/100
• 0.7

If 33% of the students at Grandview Middle School have a pet, then what is the probability of the complement of this event?

• 33%
• 77%
• 67%
• 50%

If I flip a coin 10 times, how many times should I get heads?

• 1
• 10
• 3
• 5

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