Originally Posted by

**netring** Need some guidance on how to solve such a problem. A company has 3 assembly lines(A,B,C). 5% of A's items needs rework, 8% of B's and 10% of C's. Supposing that 50% of all components are made on A, 30% on B and 20% on C. Question is, if a part is randomly selected what is the chance it came from line A? B? C?

So, each line produces the following percents of faulty parts.

A) .05*.5=.025(2.5%)

B) .08*.3=.024(2.4%)

C) .10*.2=.02(2.0%)

So would the answers be those exact percentages as well?

Let me know if im on the right track here possibly?