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3. Records show that 40% of the high school students of a particular school pay their tuition fees on an installment basis. What is the probability that exactly 12 of the next 20 enrollees will pay on an installment basis? 4. The average number of homes sold by BJM Realty company is 2 homes per day. What is the probability that exactly 3 homes will be sold tomorrow? 5. Suppose that in a senior college class of 500 students, it is found that 210 smoke, 258 drink alcohol beverages, 216 eat between meals, 122 smoke and drink alcoholic beverages, 83 eat between meals and drink alcoholic beverages, 97 smoke and eat between meals and 52 engage in all three of these bad health practices. If a member of this senior class is selected at random, find the probability that the student: (Please illustrate your interpretation to the problem using Venn Diagram) a. Smoke but does not drink alcoholic beverages b. Eats between meals and drink alcoholic beverages but does not smoke c. Neither smokes nor eats between meals