Question

Suppose a sample of 1762 floppy disks, 1692 were not defective. Using the data, estimate the proportion of disks which are defective.

Answer 1

....Assume that from a sample of 1762 diskettes, 1692 are not faulty. Using the data, estimate the proportion of defective diskettes.

defective diskettes: 1762-1692=70

proportion of defective diskettes: 70/1762=35/881 i.e. 3.972...=3.9%.

Step-by-step explanation: