Question

Find the number of ways to load nine dierent grocery items into four identical shopping
bags, so that each bag contains at least one item.

Answer 1

different*

Answer 2

Oh well, HINT: Stirling number of second kind.

Answer 3

Yeahp, onto that, i have two possible answers but wanna know how close i am if either of them

Answer 4

Okay so you want the answer?

Answer 5

Yes please

Answer 6

The answer is \( \left\{\begin{matrix} 9 \\ 4 \end{matrix}\right\} = 7770 \)

Answer 7

S(9,4)? presume these are the same

Answer 8

As long as you can distinguish between First and second,

http://mathworld.wolfram.com/StirlingNumberoftheFirstKind.html
http://mathworld.wolfram.com/StirlingNumberoftheSecondKind.html

Answer 9

Yeahp, cheers

Answer 10

Glad to help :)