Question

In a bulb factory, three different machines P, Q and R produce 25%, 45% and 30% of the total output. Out of the bulbs produced by P, Q and R 4%, 6% and 5% are found defective. If a defective bulb is picked up randomly, then what is the probability that it is manufactured by P?
A.3/52
B.7/52
C.2/13
D.5/26

Answer 1

Using baye's theorem

Option d is correct