A production facility purchases a particular component part in Iarge lots from a supplier. The production manager wants to estimate the proportion of...

A production facility purchases a particular component part in Iarge lots from a supplier. The production manager wants to estimate the proportion of defective parts received from this supplier. She wants to be within .056 of the true proportion of defective parts with a 90% level of confidence. How large must the sample size be to guarantee this? (8 points)