According to a recent survey of 1,200 people, 61% feel that the president is d...
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According to a recent survey of 1,200 people, 61% feel that the presidentis doing an acceptable job. We are interested in the population proportionof people who feel the president is doing an acceptable job.(a) Define the random variables X and P in words.(b) Which distribution should you use for this problem? Explain yourchoice.(c) . Construct a 90% confidence interval for the population proportionof people who feel the president is doing an acceptable job.
(i) State the confidence interval.
(ii) Sketch the graph.
(iii)Calculate the error bound.
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