Solution not provided.
Ans. S = {2H, 2T, 3H, 3T, 5H, 5T, 1R, 4R, 6R, 1B, 4B, 6B, 1W, 4W, 6W}
A lot consists of 12 good pencils, 6 with minor defects and 2 with major defects. A pencil is chosen at random. Find the probability that the pencil does not have:
(a) any defect (b) major defect