A person has 12 friends and will invite 7 to a party. (a) How many choices are
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A person has 12 friends and will invite 7 to a party.
(a) How many choices are possible if Al and Bob are feuding and will not both go to the party?
(b) How many choices are possible if Al and Betty insist that they both go or neither one goes?
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a There are C 106 210 outcomes in which Al goes ano...View the full answer
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