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A pollster is going to sample a number of voters in a large city and construct a 90% confidence interval for the proportion who

A pollster is going to sample a number of voters in a large city and construct a 90% confidence interval for the proportion who support the incumbent candidate for mayor. Find a sample size so that the margin of error will be no larger than 0.05. Be sure to round up to the next whole number. The required sample size is X G

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