The file final-review.pdf contains the answers. I fixed the last one, as Elizabeth pointed out an error in it. I put the review online. I also have answers! THese will go up after class.

13.1, 13.3, 13.4

Test 3 is 12/7! I have a review and its answers as pdf files on the left.

Look at the problems

15-15, 15-16,
15-21, 15-24, 15-30

I skipped the ones we did in class, but otherwise sketched solutions to the questions on the review sheet. Hope it helps.

Dear Class, I wrote up some solutions for the homework assigned for test 2's material. They are in the form a scanned in pdf file.

Due Monday 11/21. (Test is 12/23)

12-4, 7, 9
12-13, 14, 16
12-28, 29

Bonus, do 12-20

A hand-written to fax to pdf file of answers for test 2's review are available in the MTH221 directory.

Due on Monday, Nov. 14th.

11: 18, 21, 25, 28

I'll collect these questions from chapter 10 on Monday 11/7:

10.3, 5, 
10.8, 15
10.18, 20,

From chapter 11, we have

11.2, 5, 6
11.8, 11

Please try problems 9.42, 9.43, and 9.48 (the last one being more challenging.)

A review for test 1 (the first draft perhaps) is online.

A few homework questions to work on between Tuesday and Monday based on Tuesday's lecture:

9.28 (The chi-square distribution is sumarized in table Va)
9.29, 9.31, 9.32

Updated again 10-3 Due 10/3

8.27b, 32
8.34, 36, 40, 44
9.4, 6, 9
9.14
9.18, 9.20,
9.23, 24

(Problems 9.18, 9.20 are put back into the next assignment, and 23 and 24 are added.) Please come to office hours, set up an appointment, or e-mail me if you get really stuck.

This is due September 19th.

7-R11,
8.1, 3, 6
8.9, 11, 13
8.19, 22, 24

Dear Class, here is the homework assignment for chapter 7. It is due September 19th. Pleawe

1. Let X and Y be independent, normal random variables with mean mu and variance sigma squared. Show that X+Y is a normal random variable. Find its mean and variance. Hint: Use the fact that the joint distribution satisfies f(x,y) = f(x)f(y).
2. 7.7, 9, 15, 17, 19, 25, 27, 32, 37, 38, 7-R3

Hi Class.

Hi Class!