We are interested in conducting a study in order to

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We are interested in conducting a study in order to determine what percentage of voters of a state would vote for the incumbent governor. What is the minimum size sample needed to estimate the population proportion with a margin of error of 0.05 or less at 95% confidence?

a. 200

b. 100

c. 58

d. 385

Reference no: EM13584783

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