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The brand manager for a brand of toothpaste must plan a campaign designed to increase brand...

The brand manager for a brand of toothpaste must plan a campaign designed 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

8080​%

confident that his estimate is within

sixsix

percentage points of the true population​percentage?.

Assume that a recent survey suggests that about

7878​%

of adults have heard of the brand.

nequals=nothing

Homework Answers

Answer #1

TOPIC:Finding the required sample size for the given confidence level and the allowable margin of error.

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