Question

1. Find the odds for and the odds against the event rolling a fair die and getting a 2, 6, a 4, or a 5?

2. In a certain​ country, the life expectancy for women in 1900 was
45 years and in 2000 it was 84 years. Assuming that life expectancy between 2000 and 2100 increases by the same percentage as it did between 1900 and​ 2000, what will the life expectancy be for women in​ 2100?

3. Baby Evan wants to arrange 3 blocks in a row. How many different arrangements can he make?

Answer 1

1.) for the odds would be 2/3 against would be 1/3

2.) i think it would be 157.08 (157 if rounded)

3.) he could make 18 arrangements