statistics

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?

A.)410

B.)475

C.)506

D.)522

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  1. 8/46 = W/3000

    Solve for W.

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    posted by PsyDAG
  2. The answer is 522

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