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    Random Sample for Binomial Probability Distribution

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    I have 90 black balls and 10 red balls in an urn. Using the binominial probablity distribution, calculate the probability of having 3 or fewer red balls in a sample of 20 balls removed randomly from the urn...

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    We have 90 black balls and 10 red balls in the urn.
    Therefore ...

    Solution Summary

    The expert examines random sample for binomial probability distribution.