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    Economics - Statistic - Probability

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    A new county hospital is attempting to determine whether it needs to add a particular specialist to its staff. Five percent of the general hospital population in the county contracts the illness the specialist would treat. If 12 patients check into the hospital in a day, what is the probability that 4 or more will have the illness?

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    n = 12, p = 5% = 0.05, q = 1 - p = 0.95, r = 4

    Binomial Probability ...

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    This solution helps with an economics and statistics problems. A Complete, Neat and Step-by-step Solution is provided.