Confidence interval for percentage in favor of candidate
In a sample of 1000 people, 540 are in favor of candidate A and the rest are in favor of candidate B. Find the 95% confidence interval for the percentage in favor of candidate A:
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Let X have a Poisson distribution with mean m. Show that the most likely value for X to assume is [m], with the following exception: If m is an interger, X is just as likely to assume the value m - 1 as to assume the value m.
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Based on the results, construct a 95% confidence interval estimate of the percentage of all such pages that have advertising (41%). Show all steps for creating your interval.
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