2 2. In a group of 78 people; 24 drink tea and 31 drink coffee. Find the probability that a person picked from this group at random is either tea or coffee drinker? 3 3. David is playing cards. What is probability of pulling a diamond or spade? 4 4. In a city, 40% of the population is poor, 25% people are rich, and 35% are middle class, Find the probability that a person picked from this city at random is either poor or rich? 5 5. Nancy is playing cards. What is probability of pulling a diamond or 4 of clubs? 6 6, A bag contains 8 books. 3 are economics. 2 are English, and 3 are math, A book is selected at random, What is the probability that the book chosen is either economics of math? 7 7. William is playing cards, What is probability of pulling an 8 of spades, 10 of diamonds, or heart? 8 B. There is a mixed group of 100 students and/or teachers; 45 are boys, 55 are girls. and 23 are female teachers. People are selected at random, What is the probability that the person chosen is either a boy or a teacher