Combination question
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Combination question

[From: ] [author: ] [Date: 11-09-24] [Hit: ]
C(B+C-1, C-1) = C(5+4-1,4-1) = C(8,for derivation of the formula ,http://jhyun95.hubpages.......
Let's say you want to figure out how many ways you can arrange 5 balls into 4 containers.

You can also have empty containers. So, for example, you could have all the balls in one container and 3 empty ones.

How would you do this? I can draw a diagram showing it but I want to do it with an equation.

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balls [ B] are same, containers [C] are distinct.
this is a "stars and bars" type q with formula
C(B+C-1, C-1) = C(5+4-1,4-1) = C(8,3) = 56

for derivation of the formula , see
http://jhyun95.hubpages.com/hub/Stars-an…

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Should be 80 but im not sure haha sorry
1
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