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    Jointly Distributed Random Variables : Binomial Distributions

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    Suppose that 25% of US males and 23% of US females never eat breakfast. Suppose a random sample of 250 men and 250 women is taken and polled about eating breakfast.
    a) What is the probabilty that at least 110 of these 500 people never eat breakfast?
    b) What is the probability that the number of women who never eat breakfast is at least as large as the number of men who never eat breakfast?

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    Solution Summary

    Binomial Distributions are investigated. The solution is detailed and well presented. The response received a rating of "5" from the student who originally posted the question.