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Math Help - Probability

  1. #1
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    Smile Probability

    A hot dog consists of a sausage in a bun with sauce. Onion, tomato, pineapple and cheese are available as extras. How many different types of hot dog can be made?
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  2. #2
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    1+1*4=5
    Last edited by franckherve1; November 18th 2008 at 05:48 PM.
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  3. #3
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    Quote Originally Posted by Joker37 View Post
    A hot dog consists of a sausage in a bun with sauce. Onion, tomato, pineapple and cheese are available as extras. How many different types of hot dog can be made?
    Quote Originally Posted by franckherve1 View Post
    1+1*4=5
    This answer is totally wrong.


    Using only one extra you get 4 different hot dogs.

    Using two extras you get 4C2 = 6 different hot dogs.

    Continue in this way and then add them all up.

    I assume a hot dog with no extras counts as a seperate type ....?
    Last edited by mr fantastic; November 18th 2008 at 05:57 PM.
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