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?

Question

A.)410

B.)475

C.)506

D.)522

Answer 1

8/46 = W/3000

Solve for W.

Answer 2

The answer is 522