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A cable TV company wants to estimate the percentage of people in Alberta watching a particular station during an evening hour. An approximation is 20...

A cable TV company wants to estimate the percentage of people in Alberta watching a particular station during an evening hour. An approximation is 20 percent. They want the 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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n ≥ p(1−p)( Zc / E ) 2 =... View the full answer

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 T h e   m i n i m u m  ... View the full answer

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