74.

Births are approximately uniformly distributed throughout the year. They can be said to follow a uniform distribution from 0 to 2 (spread of 52 weeks).

1. X ~ _________
2. Graph the probability distribution.
3. f(x) = _________
4. = _________
5. = _________
6. Find the probability that a person is born at the exact moment week 19 ends. That is, find P(x = 19) = _________
7. P(2 < x < 31) = _________
8. Find the probability that a person is born after week 40.
9. P(12 < x|x < 28) = _________
10. Find the 70^th percentile.
11. Find the minimum for the upper quarter.