Estimator or appreciative for the population proportion

Reference no: EM1318483

We want to calculate the average of the population in 5 units, at a confidence level of 99%. It is believed that the standard deviation of the population is 0.05 more or less at a confidence level of 95%. The best estimator or appreciative for the population proportion is 0.45. How large must the sample be?

Reference no: EM1318483

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