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(S 9.1) Determine the minimum sample size required in order to estimate p, the population proportion, to within 0.04 with 90% confidence, when a

(S 9.1) Determine the minimum sample size required in order to estimate p, the population proportion, to within 0.04 with 90% confidence, when a previous study has shown that p is approximately 0.78. Use this value in your formula for determining sample size. Number

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