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A simple random sample of 10 households is selected from a population of 100 households. The numbers of people in the sample households are 2, 5, 1, 4, 4, 3, 2, 5, 2, 3.
(a) Estimate the total number of people in the population. Estimate the variance of your estimator.
(b) Estimate the mean number of people per household and estimate the variance of that estimator.
what is the formula for the standard error of the sample distribution when we know the population standard
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A presidential candidate's aide estimates that, among all college students, the proportion p who intend to vote in the upcoming election is at least 60%.
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