We are expected to know the formula:
Let = faulty switch, = faulty cord.Of the coffee makers sold in an appliance store,
6.0% have either a faulty switch or a defective cord,
2.4% have a faulty switch, and 0.3% have both defects.
What percent of the coffee makers will have a defective cord?
We are told that: .
We have: .
. . . . . . . . . .