# Homework Assignment #3

## Statistics 220, Fall 2005

Due September 21
Show your work! Partial credit will be given on the basis of your work;
writing down the answer without showing your work will get you no credit.

Problems from Devore:

- Exercise 2.52
- Exercise 2.58
- Exercise 2.64
- Exercise 2.76
- Exercise 2.78. Note that "iff" means "if and only if".
- Exercise 2.81
- Exercise 2.98
- Exercise 2.102

Non-Devore problem:

Show that if an event has probability 0 or probability 1, then it is independent
of any other event.