Question

Which situation requires the multiplication counting principle?














A.

How many ways can you choose a book from a shelf when there are 7 fiction and 8 nonfiction books on it?











B.

How many ways can you buy a computer when there are 5 desktop models and 4 laptop models?











C.

How many ways can you make a cheese sandwich when there are 3 types of bread and 4 types of cheese?











D.

How many ways can you watch a movie when there are 6 comedies and 4 science fiction movies available

Answer 1

........... what on earth is the "multiplication counting principle"

Answer 2

thats what i said..

Answer 3

oh they decided to use a silly name "The multiplication counting principle states that there are n ways to order n things." - http://www.mathwarehouse.com/probability/multiplication-counting-principle.php

Answer 4

wait ......... this is wrong -____- there are not n ways to order n things and it matters if its with or without replacement

Answer 5

soo this is basically a trick question..? #confused :s

Answer 6

no nevermind... are you sure it says (1) situation? (b) and (c) look the same....

Answer 7

yeah.. thats what it says on my sheet lol but does it not make sense?

Answer 8

wait sorry. I think it's C personally. it's the only one where you do an action and then another action. the rest are just you have this many objects to choose from

Answer 9

ok thanks uhm ima check it right now

Answer 10

well was it c?