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    7. A manufacturing company has three factories: X, Y, and Z. The daily output of each is shown here.

    Factory X Factory Y Factory Z
    TVs 18 32 41
    Stereos 56 40 13

    If one item is selected at random, find these probabilities.

    a. It is a TV

    b. It was manufactured at Factory Y

    c. It was manufactured at factory X or is a stereo

    d. It was manufactured at factory Y or factory Z

    e. It is a TV or was manufactured at factory Z.

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