3. Each of the letters of the word PROBABILITY is printed on pieces of paper and placed in a bag. The bag is shaken and one piece of paper is drawn. (Consider Y a vowel) a) What is the probability that the letter A is selected? (1 b) What is the probability that the letter B is selected? c) What is the probability that a vowel is selected? (1 d) What is the probability that a consonant is NOT selected? 4. In how many ways can a group of five people be chosen from seven couples (each couple has one male and one female) to form a club, given each of the following conditions: a) All are equally eligible for the club. b) The club must include two females and three males.