ABC Paper Corporation manufactures a special grade of lamina

ABC Paper Corporation manufactures a special grade of laminated (plastic coated) paper. For the current process being used, the quality control staff has shown that, on average, one defect in the lamination can be expected in every 1.25 square feet of laminated paper.

A. What is the chance that in the next five square feet of laminated paper, exactly as many defects will be found as expected?
B. What is the chance that in the next five square feet of laminated paper, half as many defects will be found as expected?

Solution