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STATS - A recent poll of 1000 respondents found 42%




Question;A recent poll of 1000 respondents found 42% Yes votes, 48% No votes and 10% Undecided or Don't know. If we were to assume that the undecided were to split 50-50 into the Yes:No camps than the observed percentages in favour of independence would be 47% Yes and 53% No. Test at the 5% level of significance the claim that the referendum will result in Scotland staying in the UK. Show your manual calculations.b) What sample size would be required to obtain a 99% 2-sided confidence interval for the true proportion of Yes votes with an upper bound of 49%?


Paper#61822 | Written in 18-Jul-2015

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