Question

A machine has 12 identical components which function independently. The probability that a component will fail is 0.2The machine will stop working if more than three components fail Find the probability that the machine will be working .

Answer 1

A machine has 12 identical components which function independently. The probability that a component will fail is 0.2. The machine will stop working if more than three components fail. Find the probability that the machine will stop working. A) 0.073 B) 0.795 C) 0.867 D)0.205