Combinatorics with $n$ distinct cards and $k$ people












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Essentially, given $n$ distinct cards, how many hands can I deal to $k$ people such that everyone will have at least one card? I’ve done some searching and found this related to the Sterling numbers of the second kind. However, I don’t understand how these formulas were derived, specifically how does the formula account for scenarios where someone doesn’t have a card?



As an example, say I have 17 cards and 3 people. How many ways can I deal hands to everyone such that each person has at least one card?



Relevant Information:



enter image description here










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  • $begingroup$
    You already have the formula. Why don't you just apply it?
    $endgroup$
    – Levent
    Jan 20 at 1:05










  • $begingroup$
    Stars and Bars provides a nice way to think about this sort of counting.
    $endgroup$
    – lulu
    Jan 20 at 1:05










  • $begingroup$
    @levent because I don’t understand it. I’d like to be able to explain it to someone who does not know.
    $endgroup$
    – darylnak
    Jan 20 at 1:48
















0












$begingroup$


Essentially, given $n$ distinct cards, how many hands can I deal to $k$ people such that everyone will have at least one card? I’ve done some searching and found this related to the Sterling numbers of the second kind. However, I don’t understand how these formulas were derived, specifically how does the formula account for scenarios where someone doesn’t have a card?



As an example, say I have 17 cards and 3 people. How many ways can I deal hands to everyone such that each person has at least one card?



Relevant Information:



enter image description here










share|cite|improve this question









$endgroup$












  • $begingroup$
    You already have the formula. Why don't you just apply it?
    $endgroup$
    – Levent
    Jan 20 at 1:05










  • $begingroup$
    Stars and Bars provides a nice way to think about this sort of counting.
    $endgroup$
    – lulu
    Jan 20 at 1:05










  • $begingroup$
    @levent because I don’t understand it. I’d like to be able to explain it to someone who does not know.
    $endgroup$
    – darylnak
    Jan 20 at 1:48














0












0








0





$begingroup$


Essentially, given $n$ distinct cards, how many hands can I deal to $k$ people such that everyone will have at least one card? I’ve done some searching and found this related to the Sterling numbers of the second kind. However, I don’t understand how these formulas were derived, specifically how does the formula account for scenarios where someone doesn’t have a card?



As an example, say I have 17 cards and 3 people. How many ways can I deal hands to everyone such that each person has at least one card?



Relevant Information:



enter image description here










share|cite|improve this question









$endgroup$




Essentially, given $n$ distinct cards, how many hands can I deal to $k$ people such that everyone will have at least one card? I’ve done some searching and found this related to the Sterling numbers of the second kind. However, I don’t understand how these formulas were derived, specifically how does the formula account for scenarios where someone doesn’t have a card?



As an example, say I have 17 cards and 3 people. How many ways can I deal hands to everyone such that each person has at least one card?



Relevant Information:



enter image description here







combinatorics






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share|cite|improve this question











share|cite|improve this question




share|cite|improve this question










asked Jan 20 at 0:53









darylnakdarylnak

169111




169111












  • $begingroup$
    You already have the formula. Why don't you just apply it?
    $endgroup$
    – Levent
    Jan 20 at 1:05










  • $begingroup$
    Stars and Bars provides a nice way to think about this sort of counting.
    $endgroup$
    – lulu
    Jan 20 at 1:05










  • $begingroup$
    @levent because I don’t understand it. I’d like to be able to explain it to someone who does not know.
    $endgroup$
    – darylnak
    Jan 20 at 1:48


















  • $begingroup$
    You already have the formula. Why don't you just apply it?
    $endgroup$
    – Levent
    Jan 20 at 1:05










  • $begingroup$
    Stars and Bars provides a nice way to think about this sort of counting.
    $endgroup$
    – lulu
    Jan 20 at 1:05










  • $begingroup$
    @levent because I don’t understand it. I’d like to be able to explain it to someone who does not know.
    $endgroup$
    – darylnak
    Jan 20 at 1:48
















$begingroup$
You already have the formula. Why don't you just apply it?
$endgroup$
– Levent
Jan 20 at 1:05




$begingroup$
You already have the formula. Why don't you just apply it?
$endgroup$
– Levent
Jan 20 at 1:05












$begingroup$
Stars and Bars provides a nice way to think about this sort of counting.
$endgroup$
– lulu
Jan 20 at 1:05




$begingroup$
Stars and Bars provides a nice way to think about this sort of counting.
$endgroup$
– lulu
Jan 20 at 1:05












$begingroup$
@levent because I don’t understand it. I’d like to be able to explain it to someone who does not know.
$endgroup$
– darylnak
Jan 20 at 1:48




$begingroup$
@levent because I don’t understand it. I’d like to be able to explain it to someone who does not know.
$endgroup$
– darylnak
Jan 20 at 1:48










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