Question

A stereo store is offering a special price on a complete set of components (Receiver, Compact Disc Player, Speakers and turntable). A purchaser is offered a choice of brand for each component: A switchboard display in the store allows a customer to hook together any selection of components (consisting of one each type). Use the multiplication rule to answer the following questions: a. In how many ways can one component of each type be selected? [Ans: 240] b. In how many ways can components be selected if both the receiver and the compact disc player are to be sony? [Ans: 12] c. In how many ways can components be selected if none is to be Sony?

Answer 1

Answer:

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