To estimate the proportion of its customers

Reference no: EM131057116

A cable television company would like to estimate the proportion of its customers who would purchase a cable television program guide. The company would like to have 95% confidence that its estimate is correct to within +/- .05 of the true proportion. Past experience in other areas indicates that 30% of the customers will purchase the program guide. What sample size is needed?

Reference no: EM131057116

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