Question: For estimating a proportion in a population, a systematic random sample is to be selected. If the number of units in the population is ????

For estimating a proportion in a population, a systematic random sample is to be selected. If the number of units in the population is ???? = 25000, determine

(a) the conservative sample size if the bound on the error of estimation is to be

???? = 0.035.

(b) the sampling interval ????.

(c) the cost of sampling if the initial cost of sampling is ????0 = $250 and the cost of sampling a unit is $0.80.

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