brand manager for a brand of toothpaste must plan a campaign to increase brand recognition. He wants to first determine the percentage of adults who have heard of the brand. How many adults must he survey in order to be 98% confident that his estimate is within five percentage points of the true population percentage? (Assume that nothing is known about the percentage of adults who have heard of the brand.)

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Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.