Estimate the minimum size sample required

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Reference no: EM131813525

Question: An internet service provider wishes to estimate, to within one percentage point, the current proportion of all email that is spam, with 99.9% confidence. Last year the proportion that was spam was 71%. Estimate the minimum size sample required. The response must be typed, single spaced, must be in times new roman font (size 12) and must follow the APA format.

Reference no: EM131813525

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