Probability that a randomly arriving patient

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Suppose we have a walk-in outpatient clinic for adults and special services for the elderly. We know the probability that a randomly arriving patient is elderly is p=.40. Of the next 8 patients, 1.) What is the probability 2 patients will be elderly? 2.) Probability 2 or fewer patients will be elderly? 3.) Probability more than 2 will be elderly? 4.) Expected number of elderly patients to arrive out of 8?

Reference no: EM131860653

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