A piece of equipment will function when all the three components A, B, C are working. The probability of A failing during one year is 0.15that of B is 0.05 and that of C is 0.10. The probability that the equipment will fail before the end of the year is

If the probability for A to fail in one exam is 0.2 and that for B is 0.3 , then the probability that either A or B fails is

If the probabilities for A to fail in an examination is 0.2 and that for B is 0.3, then the probability that either A or B fails is

If the probabilities for A to fail in an examination is 0.2 and that for B is 0.3, then the probability that either A or B fails is

If the probabilities for A to fail in an examination is 0.2 and that for B is 0.3, then the probability that either A or B fails is

If the probability for A to fail in an examination is 0.2 and that for B is 0,3 , then the probability that either A or B fails is

If the probabilities for A to fail in anexamination is 0.2 and that for B is 0.3, then the probability that either A or B fails is

The operates if all of its three components function.The probability that the first component fails during the year is 0.14, the second component fails is 0.10 and the third component fails is 0.05. What is the probability that the machine will fail during the year?