How many packages be sampled to be confident population

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Reference no: EM13147953

You are the shipping manager at the Postham Company. You are interested in the percentage of packages delivered damaged. A simple random sample of 500 packages yields 16 delivered damaged and 484 delivered undamaged. How many packages should be sampled in order to be 90% confident of being within 0.9% of the actual population percentage of packages delivered damaged.

Reference no: EM13147953

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