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Math Help - coin tossing

  1. #1
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    coin tossing

    find the sample space for
    (a)tossing a coin repeatedly until the first head appears . The quantity is the number of tosses before the first head?!?!
    (b) two dies are tossed, the quantity of interest is the sum of dots

    im completely lost with a but is just= {2,3,4,5,6,7,8,9,10,11,12}???
    any help appreciated!!
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  2. #2
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    Quote Originally Posted by eleahy View Post
    find the sample space for
    (a)tossing a coin repeatedly until the first head appears . The quantity is the number of tosses before the first head?!?!

    (b) two dies are tossed, the quantity of interest is the sum of dots is just= {2,3,4,5,6,7,8,9,10,11,12}
    The part in blue above is correct.

    For part (a) the outcome space is the set of non-negative integers: \{0,1,2,3,\cdots\}
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