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Find the standard deviation, Sigma, for the binomial distribution which has the stated values of n and p. Round your answer to the nearest hundredth.

n = 639; p = 0.7

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2 answers
  1. standard deviation = √npq

    n = 639
    p = 0.7
    q = 1 - p

    I'll let you take it from here to calculate.

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  2. 448

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