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Mathematics, 24.04.2020 18:30 KoolCatz

A certain region would like to estimate the proportion of voters who intend to participate in upcoming elections. A pilot sample of 50 voters found that 39 of them intended to vote in the election. Determine the additional number of voters that need to be sampled to construct a 91% interval with a margin of error equal to 0.07 to estimate the proportion.

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