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statdad
statdad is offline
#2
Sep1-08, 06:27 PM
HW Helper
P: 1,344
Think about counting the spades this way:
You want 1 Ace of Spades from the total of _____ Aces of Spades in the deck, and
you want 1 King of Spades from the total of _____ Kings of Spades in the deck, and
you want 1 Queen of Spades from the total of _____ Queens of Spades in the deck, and
you want 1 Jack of Spades from the total of _____ Jacks of Spades in the deck.

Count each separately then _________ because of the "and"s

For the other 9 cards: remember that you do not want any more spades in your hand. There are 47 cards that are not the ones you've mentioned above, but some are the other spades. Take the count of the remaining spades from 47 and select the remaining 9 from them.

Sorry for the verbosity - things get wordy with descriptions and no math.