Question

Carey has 30 CDs and wants to take pick out 5 to put into her CD player. How many different combinations of CDs can she pick out?


C(30, 5)
C(25, 5)
30!

Answer 1

i guess the only answer that makes sense is the first one

Answer 2

the number of ways to choose 5 from 30 also known as "30 choose 5" or
\[_{30}C_5\] or even
\[\binom{30}{5}\]

Answer 3

you are not asked to compute the number (or are you?)

Answer 4

:D thanks

Answer 5

yw

Answer 6

it just asks the question I posted, and gives me those answers to choose from

Answer 7

then pick the first one