Permutations

Permutations

Multiple Choice

Simplify

 $\frac{8!}{7!}$  

• 8

• 8/7

• 1

• 40320

Multiple Choice

What does 7P4 equal?

•  $7!\cdot4!$  

•  $\frac{7!}{4!}$  

•  $\frac{7!}{3!}$  

•  $\frac{7!}{4}$  

Multiple Choice

What does 8P2 equal?

• $\frac{8!}{2!}$

• $\frac{8!}{6!}$

• $\frac{8!}{2!\cdot6!}$

• $4!$

Multiple Choice

Simplify 5P2

• 5

• 10

• 20

• 120

Multiple Choice

Simplify 6P3

• 63

• 30

• 120

• 720

Multiple Choice

Wiley wants to wants to buy a box of girl scout cookies for 4 of his friends. There are 10 different types. Is this scenario with replacement or without?

• with replacement

• without replacement

Multiple Choice

Wiley wants to wants to buy a box of girl scout cookies for 4 of his friends. There are 10 different types. Which represents the total number of outcomes?

• 10!

• 10P4

• 10^4

• 10*4

Multiple Choice

Paul is trying to rank his top 3 favorite fast foods. He has 9 places to choose from. Is this scenario with or without replacement?

• with replacement

• without replacement

Multiple Choice

Paul is trying to rank his top 3 favorite fast foods. He has 9 places to choose from. How many ways could he create a "top 3" with 1st, 2nd, and 3rd place?

• 3!

• 9!

• 9P3

• 9^3