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    Can anyone see how this can be simplified? im a little baffled
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    (Original post by bill100)
    Can anyone see how this can be simplified? im a little baffled
    If you looking to sum the probabilities to work out C, notice that they form a geometric progression.

    PS: Best to post maths questions in the maths subforum, rather than this umbrella forum.
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    the geometric series over a finite range is A{ 1-r^n / 1- r} ?
    I think I got it if so.

    sorry, im new here

    Thanks
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    (Original post by bill100)
    the geometric series over a finite range is A{ 1-r^n / 1- r} ?
    Yep.

    I think I got it if so.

    sorry, im new here

    Thanks
    You're welcome, and welcome to TSR.

    One other thing you will find useful is to quote the other person when replying - this shows up on their notification bar at the top of the screen, virtually immediately, so they can tell you've replied and go and look.
 
 
 
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Updated: October 30, 2015
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