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    Probability : Normal Distribution

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    The lifetime of interactive computer chips produced by a certain semiconductor manufacturer are normally distributed with parameters μ=1.4x10^6 hours and σ=3x10^5 hours. What is the approximate probability that a batch of 100 chips will contain at least 20 whose lifetimes are less than 1.8x10^6?

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    Solution Summary

    Probability and a Normal Distribution are investigated. The response received a rating of "5/5" from the student who originally posted the question.