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Unformatted text preview: not true? (b) Show that the number of subsets of an nset having an even number of elements is equal the the number of subsets of an nset having on odd number of elements (when n > 0). 2.4 (a) How many 5card hands are there where all the cards have the same suit? (b) How many 5card hands are there where all the cards belong to at most two suits? (c) How many 5card hands are there where all the cards have at most two dierent ranks? 1 2.5 (a) How many 5card hands (from an ordinary deck) have at least one card of each suit? (b) How many 6card hands have at least one card of each suit? 2.6 (a) In how many ways can 15 (identical) jellybeans be distributed to 4 boys and 4 girls if each girl must get at least one jellybean? (b) In how many ways can 15 (identical) jellybeans be distributed to 4 boys and 4 girls if each girl must get at least one jellybean and no boy can get more than one jellybean? 2...
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 Fall '07
 Graham

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