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Mathematics 11 Online
OpenStudy (anonymous):

Kayla, Alyssa, Juanita, Dominic, and Troy want to go to a concert, but they only have three tickets. They decide to select randomly who will go. a How many different three-person groups can be selected? b What is the probability that Dominic will be selected? c What is the probability that Alyssa will not be selected? d How many different three-person groups can be selected if Kayla must be a member?

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