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Thread: probability homework

  1. #16
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    so you are saying..
    the variance is..
    -1^2(40^2) = 1600

  2. #17
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    and the standard deviation is
    40?

  3. #18
    Dark Knight
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    Don't increase the posts in the thread. There is an option for edit.
    Yup. You are right.
    In the long run, we're all dead.

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