Question: Advances in technology are dramatically affecting different aspects of our lives. For example, the number of daily newspapers is decreasing because of easy access to

Advances in technology are dramatically affecting different aspects of our lives. For example, the number of daily newspapers is decreasing because of easy access to Internet and television news. To help address such issues, we want to estimate the percentage of adults in the United States who use a computer at least once each day. Find the sample size needed to estimate that percentage. Assume that we want 90% confidence that the sample percentage is within two percentage points of the true population percentage.

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