1 (a) A bag contains 3 red and 5 black balls and another 4 red and 7 black balls. A ball is drawn from a bag selected at random. Find the probability that it is red. ? (b) In a group of 20 adults, 4 out of the 7 women and 2 out of the 13 men wear glasses. What is the probability that a person chosen at random from the group is a woman or someone who wear glasses? (c) A box contains 4 bad and 6 good tubes. Two are drawn out together. One of and found to be good. What is the probability that the other one is also good? Note : Business Statistics Please solve on paper