A recent survey showed that from a sample of 500 packages delivered by a Postal Service, 480 were delivered on time. Construct a 95% confidence interval for the proportion of all packages that are...


A recent survey showed that from a sample of 500 packages delivered by a Postal Service, 480<br>were delivered on time.<br>Construct a 95% confidence interval for the proportion of all packages that are delivered<br>on time by the Postal Service.<br>

Extracted text: A recent survey showed that from a sample of 500 packages delivered by a Postal Service, 480 were delivered on time. Construct a 95% confidence interval for the proportion of all packages that are delivered on time by the Postal Service.

Jun 08, 2022
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