For this problem, carry at least four digits after the decimalin your calculations. Answers may vary slightly due torounding.
A random sample of 5805 physicians in Colorado showed that 3035provided at least some charity care (i.e., treated poor people atno cost).
(a) Let p represent the proportion of all Colorado physicianswho provide some charity care. Find a point estimate for p. (Roundyour answer to four decimal places.)
(b) Find a 99% confidence interval for p. (Round your answers tothree decimal places.)
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Part 2
For this problem, carry at least four digits after the decimalin your calculations. Answers may vary slightly due torounding.
In a random sample of 64 professional actors, it was found that40 were extroverts.
(a) Let p represent the proportion of all actors who areextroverts. Find a point estimate for p. (Round your answer to fourdecimal places.)
(b) Find a 95% confidence interval for p. (Round your answers totwo decimal places.)
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