(16
(Choose 1 answer)
In a factory three machines produce the same product. Machine A produces 20% of the output, machine B,30%, and machine C, 50%. The proportion of defective items produced by these follows: machine A: 0.01,machine B: 0.05, machine C: 0.03. An item is selected at random. Find the probability that it is defective.
A. 0.009
B. 0.017
C. 0.032
D. 0.419
E. None of the other choices is correct
