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Suppose that a computer chip manufacturer rejects 2% of the chips produced because they fail presale testing. We select 80 chips at random. ?

Suppose that a computer chip manufacturer rejects 2% of the chips produced because they fail presale testing. We select 80 chips at random. Find the standard deviation of chips that are rejected.

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  • fcas80
    Lv 7
    2 months ago

    This is a binomial distribution problem.  SD = squareroot(n * p * (1-p)) = squareroot(80*.02*.98) = 1.25

    • Adrianna2 months agoReport

      Thank you so much!!

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