In a town of 20,000, there are 12,000 voters, of whom 6000 are registered democrats and 5000
Question:
In a town of 20,000, there are 12,000 voters, of whom 6000 are registered democrats and 5000 are registered republicans. An exit poll is taken of 200 voters. Assume all registered voters actually voted. Use R to find:
(a) The mean and standard deviation of the number of democrats in the sample;
(b) The probability that more than half the sample are republicans.
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a Let X be the number of Democrats in the sample Then X has a hypergeometric distribution ...View the full answer
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