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At a coffee packaging company, you want to measure the proportion of packages that are underweight. Historically, it was known that a maximum of 12%

At a coffee packaging company, you want to measure the proportion of packages that are underweight. Historically, it was known that a maximum of 12% of packages could have this type of error. If you want to determine the new proportion of packages with errors generated by the process, with an error of no more than 3.0% and a confidence in the inferences of 99%, how many packages must be reviewed?

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