kyb0789

Seems like a simple problem but I keep getting it wrong! Help

Pg. 411
14) Exactly 4 actors try out for the 4 parts in a play. If each actor can perform any one part and no one will perform more than one part, how many different assignments of actors are possible?

stupak

Counting principle- 4 spots, 4 choices- once one spot is filled, there is one less person
_ _ _ _
4x3x2x1= 24 arrangements

glucose101

ya...just do 4!

indicaclan

This is question number 14 out of how many question in that section?

Just wondering to get a feel for the difficulty level according to CB.

glucose101

out of 18

it's from the 18 question one because it's a FR

indicaclan

Didn't even notice that, I get used to not looking at the answer choices until im done.. Thanks heh