Question

A quality-conscious disk manufacturer wishes to know the fraction of disks his company makes which are defective.

Step 1 of 2 :

Suppose a sample of 1762 floppy disks is drawn. Of these disks,1692 were not defective. Using the data, estimate the proportion of disks which are defective. Enter your answer as a fraction or a decimal number rounded to three decimal places.

Answer 1

proportion estimate = 1 - 1692/1762 = 0.040 (ans)