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Math Help - dice

  1. #1
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    Oct 2007
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    dice

    PLEASE HELP! ;\

    The dice rolled ;\
    The score is the sum of the two numbers in top of face

    A: List all the ways the score can be 5:


    The two dice are rolled 120 times..
    How many times are the two dice likey to have a score of 3?

    Give your reasoning..

    What is the probility of getting score of 6?


    I need these questions

    A: List all the ways the score can be 5:

    Give your reasoning..

    What is the probility of getting score of 6?
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  2. #2
    Newbie
    Joined
    Oct 2007
    Posts
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    ssdfdfs

    Quote Originally Posted by nasb View Post
    PLEASE HELP! ;\

    The dice rolled ;\
    The score is the sum of the two numbers in top of face

    A: List all the ways the score can be 5:


    The two dice are rolled 120 times..
    How many times are the two dice likey to have a score of 3?

    Give your reasoning..

    What is the probility of getting score of 6?


    I need these questions

    A: List all the ways the score can be 5:

    Give your reasoning..

    What is the probility of getting score of 6?
    ?????????????
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  3. #3
    Junior Member
    Joined
    Oct 2007
    Posts
    71
    You're going to get yelled at for posting this in more than one forum

    Anyways, there are 36 total possible outcomes for rolling two six-sided dice (1/6 * 1/6). You can get a total of 5 from the two dice by having (1,4), (2,3), (3,2), (4,1). So you have 4 ways out of 36 of rolling a total of 5.


    For 6, follow the same steps. Your possible outcomes are (1,5), (2,4), (3,3), (4,2) and (5,1) so you have 5 total ways. Then, you simply divide the number of number of ways to score a 6 by the total number of possible outcomes. In this case, divide 5 by 36 to get the probability of getting a score of 6.
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