When a large number of flashlights leaving a factory is inspected it is found that the bulb is faulty in 1% of the flashlights and the switch is faulty in 1.5% of them Assuming that the faults occur independently and at random, find (b) The probability that a sample of 80 flashlights contains at least one flashlights with both a defective bulb and a defective switch
can anyone help me to solve this question, the answer for this is 0.0119