# Homework Assignment #4

## Statistics 220, Fall 2005

Due September 28
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 3.28
- Exercise 3.35
- Exercise 3.38
- Exercise 3.43. Part (d) is optional.
- Exercise 3.46. You may assume that the different CD players are independent.
- Exercise 3.56
- Exercise 3.82
- Exercise 3.86