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Town mayor claims that his party has a 55% support. Researches conducted a research of 200 people and found out that 96 people support the
Town mayor claims that his party has a 55% support. Researches conducted a research of 200 people and found out that 96 people support the party in question. a) Test with a confidence level of 99% if we can hold mayor's claim exaggerated?
b) How big does the sample size need to be so we can reject the mayor's claim at 99.9% confidence level?
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