4. Suppose that 90% of adults get married at least once, that 40% of first marriages end in divorce, that 70% of those marry for the second time, that 50% of second marriages end in divorce, that 35% of the double divorcees marry for the third time, that 75% of third marriages end in divorce, that 10% of those marry a fourth time, and for them the fourth time is a charm as 80% say with their fourth spouse. For a population of 1,000 people, how many marriages and how many divorces would you expect