Someone asap A small factory has 3 machines for producing protractors. The high speed machines produces 61% the protractors but 6% of its output is defective. The medium speed machine produces 24% of the protractors, of which 4%o are defective. The low speed machine, which has a defective rate of 2% produces the remainder.
{a) Draw a tree diagram.

(b) What is the probability of a protractor not being defective given it came from a low speed machine?

(c). Knowing that a protractor is defective, what ls the probability it came from the high speed machine?