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A random sample of5562physicians in Colorado showed that2954provided at least some charity care (i.e., treated poor people at no cost). (a) Let p represent the

A random sample of5562physicians in Colorado showed that2954provided at least some charity care (i.e., treated poor people at no cost).

(a) Letprepresent the proportion of all Colorado physicians who provide some charity care. Find a point estimate forp. (Round your answer to four decimal places.)

(b) Find a 99% confidence interval forp. (Round your answers to three decimal places.)

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