Frames are produced in 3 different machines in a factory. 30% of frames are produced in the C1 machine and 50% of frames in the C2 machine. Due to workmanship defects, C1, C2 machine 5% and C3 machine% 5 defective products. What is the probability that a randomly selected frame is produced on the C2 machine if it is defective?

A) 18.96%

B) 28,66%

C) 28,46%

D) 38,46%

E) 38,31%

Answer rating: 100% (QA)

Let E1 Event that the selected bolt i manufactured by machine A E2 Eve... View the full answer