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Poll of a simple random sample

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Reference no: EM13895110

The next North Carolina gubernatorial election will be held in 2016. Suppose that 52% of North Carolina voters actually support Candidate A in that election.

a) What is the probability that a poll of a simple random sample of 100 NC voters will result in at least half of those polled favoring the other candidate? Use the normal approximation (no continuity correction) and give your answer to four decimal places.

P(X≥ 50) =

b) What is the probability that a poll of a simple random sample of 700 NC voters will result in at least half of those polled favoring the other candidate? Use the normal approximation (no continuity correction) and give your answer to four decimal places.

P(X ≥ 350) =

Reference no: EM13895110

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