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Math Help - probability and fundamental counting principle?

  1. #1
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    probability and fundamental counting principle?

    Can someone explain these concepts?
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  2. #2
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    Quote Originally Posted by egurney View Post
    Can someone explain these concepts?
    What concepts?
    Are you saying that you cannot read your given text material?
    Please post a well defined question.
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  3. #3
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    I'm the Mom

    And the material was presented in class. My kid didn't take notes, there isn't a description in his text book (they just got a handout for homework) and I am trying to help him.

    Thanks for any help you can give.
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  4. #4
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    Hi Mom,

    The fundamental counting principle you speak of has to do with permutations, and events such as these:

    College Algebra Tutorial on The Fundamental Counting Principle

    Say we have 3 types of car colors, red, black, and blue. We also have 2 cars that we can paint any 1 color we want. What are the number of different ways we can do this?

    Each car can have 3 colors, and each car color is an independent event from the other car color. Therefore, we have 3 * 3 = 9 possible car color combos for the 2 cars.

    Another item of this principle is replacement or no replacement. Your son may experience this in a later lesson. For example, say we have a standard deck of 52 cards. If we pick a card, say a King, there are 51 cards left, and only 3 kings left for our next pick, whereas, before we picked our first card, there was a full deck of 52 cards, and 4 Kings available to draw.

    Make sense so far?

    If you have real world examples in your son's textbook, folks on the forum can describe this in more detail when they answer the question.
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