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Mathematics 20 Online
OpenStudy (anonymous):

A quality supervisor for a factory that makes cell phone cases examines a sample of 46 cases. She finds that 8 cases are the wrong size. Which is the best prediction of the number of cases that will be the wrong size in a shipment of 3,000?

OpenStudy (kirbykirby):

Proportion of cases that are the wrong size: \(\large \frac{8}{46}\)

OpenStudy (kirbykirby):

Multiply that fraction by 3000 to get as estimate of the number case that are the wrong size

OpenStudy (anonymous):

522

OpenStudy (kirbykirby):

yup :)

OpenStudy (anonymous):

Thank you

OpenStudy (kirbykirby):

yw!

OpenStudy (anonymous):

I fanned and medaled you Thanks again

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