Three machines, A, B and C, operate independently in a factory. Machine A is out of action for 10% of the time, while B is out of action for 5% of the time and C for 20% of the time. A rush order has to be commenced at midday tomorrow. What is the probability that at this time:

(a) All three machines will be out of action?

(b) None of the machines will be out of action?

Answer rating: 100% (QA)

Let A shows the event that machine A is out of action Let B shows the event that mac... View the full answer