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The Australian Electoral Office (AEO) wants to estimate the proportion of voters who will cast their vote through the AEO's telephone voting service. The office
The Australian Electoral Office (AEO) wants to estimate the proportion of voters who will cast their vote through the AEO's telephone voting service. The office wants to be 90% confident that the estimate is within 0.02 (2%) of the true proportion of voters polling through AEO's telephone voting service. How large a sample must be taken to assure these conditions are met? Show your workings.
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