Solved: A marketing analyst wants to know the proportion of people, Basic Statistics

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A marketing analyst wants to know the proportion of people

A marketing analyst wants to know the proportion of people who would be interested in purchasing his company new app, he took a random sample of 400 people and found that 228 were interested in purchasing the app give a 99% confidence interval on the true population proportion who would be interested in purchasing the app, please explain step by step?

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Basic Statistics: A marketing analyst wants to know the proportion of people

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