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(a) In how many ways can you distribute 4 distinguishable balls among 3 indistinguishable boxes?

 

(b) In how many ways can you distribute 4 indistinguishable balls among 5 distinguishable boxes?

 Dec 19, 2022
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(a)

 

sumfor(k, 0, 3, (4  nCr k))==15 ways - without any restrictions

 

(b)

 

[4 + 5 - 1] C [4] ==8 C 4 ==70 ways - without any restrictions

 Dec 20, 2022

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