Question: Using the information in Table 3.14, determine the optimal allocation (a) sampling proportions for estimating the proportion of doctors who work at least 30 hours
Using the information in Table 3.14, determine the optimal allocation

(a) sampling proportions for estimating the proportion of doctors who work at least 30 hours per week.
(b) sample size for a stratified random sample selected using optimal allocation that produces the smallest cost for a bound on the error of estimation of ???? = 0.035.
(c) strata sample sizes.
(d) the cost of sampling when the initial cost of sampling is ????0 = $2500.
Type of Doctor N SD Cost Surgeon Nonsurgical 20,000 80,000 100,000 25 2 20 10 20
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