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Math Help - [SOLVED] Binomial Distribution question help

  1. #1
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    [SOLVED] Binomial Distribution question help

    If n=10, and p=0.7 what is the standard deviation?

    i have the formula, the square root of the variance...but with only 2 numbers it doesnt really help me out much

    thanks!
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  2. #2
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    found my answer, nvmd

    The standard deviation (σx) is sqrt[ n * P * ( 1 - P ) ]
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