Question
Suppose you want to distribute 8 identical mini key-lime flavored dog biscuits to your 4 identical Welsh Corgi clones, so that each Corgi gets at
Suppose you want to distribute 8 identical mini key-lime flavored dog biscuits to your 4 identical Welsh Corgi clones, so that each Corgi gets at least one biscuit.
(a) Carefully explain why the answer is P4(8), and find the numerical value of this answer.
(b) Compare P4(8) to 7C3 . What related counting problem does 7C3 count? What is the numerical value of 7C3 ? Why isn't P4(8) 4! = 7C3 (alternatively, why isn't P4(8) = 1/4! 7C3)?
(c) Compare P4(8) to S(8, 4). What related counting problem does S (8, 4) count? What is its numerical value? Why isn't P4(8) 8! = S (8, 4) (alternatively, why isn't P4(8) = 1/8! S (8, 4))?
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