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Factorials
Fundamental Counting
Permutations
Combinations
Probability Problems
Concepts
100
4 x 3 x 2 x 1
What is 4!
100
The number of outcomes when tossing 2 fairs coins.
What is 4?
100
P(5, 2)
What is 20?
100
C(5, 2)
What is 10?
100

A bag of tokens contains 7 red, 7 green, and 9 blue tokens. What is the probability that a randomly selected token is blue or green? Prepare your answer as a fraction.

16/23

100

What are Independent Events? Give an example.

Events that have no influence on each other. 

200
120
What is 5!
200
The number of outcomes from tossing a single fair die and then tossing one fair coin.
What is 12?
200
P(6, 2)
What is 30?
200
C(8, 2)
What is 28?
200

An experiment consists of rolling one standard die and flipping one coin. What is the probability that the outcome of the experiment is a 3 on the die and a head on the coin? Enter your answer as a fraction.

1/12

200

What are Mutually Exclusive Events? Give an example.

Events that CANNOT happen at the same time.

300
0!
What is 1!
300
The number of outcomes when tossing two fair dice.
What is 36?
300
P(4, 4)
What is 24?
300
C(10, 2)
What is 45?
300

Two cards will be selected without replacement from a standard deck of 52 cards. Find the probability of  both cards being aces.

1/221

300

Are Mutually Exclusive events Independent? Explain. 

No! They have complete influence on each other. If I roll at 2, I 100% did NOT roll a 5.

400
5040
What is 7!
400
The number of outcomes when tossing 5 fair coins.
What is 32?
400
The number of ways the letters ABCD can be arranged.
What is 24?
400
The number of ways of selecting 2 IPhones out of 25 to inspect for defects.
What is 300?
400

DAILY DOUBLE: Two cards will be selected without replacement from a standard deck of 52 cards. Find the probability of the first card being a 3 and the second card being a queen.

4/663

400

When do I use the Addition Rule? What about the Multiplication Rule?

Addition - or

Multiplication - and

500
5! / 2!
What is 60?
500
The number of ways 5 children can stand in a line for a photograph.
What is 120?
500
The number of ways 3 actresses can be casted into different roles from 6 applicants.
What is 120?
500
The number of ways of selecting 2 girls out of 6 girls and 2 boys out of 4 boys to perform at a music recital.
What is 90?
500

A bag of tokens contains 10 red, 5 green, and 6 blue tokens. What is the probability that a randomly selected token is not red? Prepare your answer as a fraction.

11/21

500

DAILY DOUBLE: What are DEPENDENT events? Explain? Looking for a specific answer!!

Events that do influence each other by ORDER. One thing happening first influences the next event.