Homework 5

Due Friday, Nov. 7

Note: we'll cover sections 7.1-7.4,7.6

1.

Chapter 6, p.269: 16,18,23,31

2.

Chapter 7, p. 313: 4

3.

Roll two fair, six-sided dice. One die is red, the other blue. Let X represent the number on the blue die , and let Y represent the largest of the two numbers showing.

(a)

Write a table with the joint distribution of X and Y.

(b)

Write the marginal distribution of X and the marginal distribution of Y.

(c)

What's the expected value of Y? of X?