Direct Satellite Television It is believed that 25% of
Chapter 7, Problem 17(choose chapter or problem)
Direct Satellite Television It is believed that 25% of U.S. homes have a direct satellite television receiver. How large a sample is necessary to estimate the true population of homes which do with 95% confidence and within 3 percentage points? How large a sample is necessary if nothing is known about the proportion? Source: New York Times Almanac. 801 homes; 1068 homes
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