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    Poisson Approximation to Binomial Distribution

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    A factory packs bolts in boxes of 500. The probability that a bolt is defective is 0.002. Find the probability that a box contains 2 defective bolts.

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    https://brainmass.com/statistics/probability/poisson-approximation-to-binomial-distribution-10692

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    Suppose X~Binomial(n,p) and n is large, p is very small such that np<= 5, then X~Poisson ...

    Solution Summary

    A factory packs bolts in boxes of 500. The probability that a bolt is defective is 0.002. Find the probability that a box contains 2 defective bolts.

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