Solved: Finding minimum sample size, Basic Statistics

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Finding minimum sample size

Assignment:

A survey of shoppers is planned to determine what percentage use credit cards. Prior surveys suggest that 59% use credit cards.
The required margin of error is 0.02 at 95% confidence. What is the minimum sample size required to assure that your sample proportion "p" will be within the required margin of error, around the population proportion "p".

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Basic Statistics: Finding minimum sample size

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