Mathematics, 26.11.2019 21:31, lyly214

Acable tv company wants to estimate the percentage of cable boxes in use during an evening hour. an approximation based on previous surveys is 25 percent. the company wants the new estimate to be at the 90 percent confidence level and within 2 percent of the actual proportion. what sample size is needed?

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Acable tv company wants to estimate the percentage of cable boxes in use during an evening hour. an...