Assignment #1

p. 38-39: #2.1, 2.3, 2.5, 2.10, 2.14, 2.16, 2.17, 2.19, 2.20
p. 47-48: #2.23, 2.26, 2.29, 2.30, 2.31, 2.32, 2.36, 2.40, 2.45, 2.46, 2.47

Hint: in #2.36 on p. 48, a 3-digit number cannot begin with a 0.

Assignment #2

p. 55-58 #2.53, 2.54, 2.55, 2.57, 2.60, 2.62, 2.63, 2.65, 2.66, 2.73,
p. 65-67 #2.78, 2.79, 2.80, 2.81, 2.84, 2.85, 2.86, 2.89, 2.93.


Assignment #3


p. 67: # 2.94, 2.95, 2.96, 2.97, 2.98
p. 72-73: # 2.101, 2.102, 2.103, 2.104, 2.105
p. 88-91: # 3.9, 3.11, 3.12, 3.13, 3.14, 3.15, 3.16, 3.17, 3.19, 3.20, 3.25, 3.26


Assignment #4


p. 101-103: #3.37, 3.38, 3.39, 3.46, 3.48, 3.49, 3.50, 3.51, 3.52, 3.53, 3.56, 3.57.

Assignment #5


p. 113-115: #4.2, 4.3, 4.4, 4.7, 4.9, 4.11, 4.12, 4.14, 4.17, 4.18, 4.20, 4.23, 4.29, 4.32

Homework # 6

p. 122: #4.34, 4.35 , 4.36, 4.38, 4.41, 4.44, 4.45;
* Additional problem: Find the correlation coefficient for X and Y in #4.23 on page 114.
p. 134-135: #4.51, 4.55, 4.57, 4.58, 4.64, 4.65, 4.69, 4.70, 4.72.
p. 150-152: #5.1, 5.3, 5.6, 5.7, 5.15, 5.16, 5.22, 5.23, 5.24, 5.27
p. 157-158: #5.29, 5.32, 5.33, 5.36.

Assignment #7

p. 157-158: #5.41, 5.42, 5.45, 5.47.
p. 165-167: #5.52, 5.54, 5.55, 5.57, 5.58, 5.59, 5.60, 5.62, 5.63, 5.66, 5.70(a,b), 5.71


Assignment #8

p. 185-187: #6.20, 6.21, 6.22.
p. 185-187: #6.1, 6.3, 6.5, 6.8, 6.9, 6.13. 6.15, 6.18, 6.19.
p. 193-194: #6.24, 6.27, 6.29, 6.30, 6.31, 6.35.

Please do the problems in the assigned order.


Assignment #9

p. 205-206: # 6.39, 6.40, 6.44, 6.45, 6.46, 6.51, 6.53.
p. 226-228: # 7.16, 7.17, 7.18, 7.19.

Additional problem:
Let f(x) be a probability distribution function f(x):
f(0)= 0.4 and f(1)=0.6

a. If X is a random variable having probability function f(x), find the moment generating functins for X and 2X+1.
b. If X1 and X2 are two independent random variables having the same distribution f(x), find the moment generating function for X1+X2.

Assignment #10


p. 234-235: # 8.1, 8.4, 8.5, 8.8, 8.9, 8.12
p. 28-29: # 19(a), plus calculate the 10% and 20% trimmed means
p. 266 : # 8.63
p. 251-254: # 8.18, 8.19, 8.23, 8.24, 8.25, 8.26, 8.28, 8.29, 8.30.
p. 265: # 8.39, 8.41, 8.42, 8.43, 8.44.
Note: The answer in the book to #8.19 on p. 252 is wrong. The answer refers to the standard deviation, while the question asks about the variance.

Assignment #11

p. 265: # 8.46, 8.47, 8.50
p. 285-287: # 9.2, 9.4, 9.6, 9.8, 9.13, 9.16.
p. 297-298: # 9.35, 9.36, 9.39, 9.41.
p. 304-306: #9.51, 9.53, 9.56, 9.62, 9.63, 9.67
p. 310: #9.71, 9.72, 9.74.


Assignment #12 Do not hand in

p. 336-337: #10.1, 10.3, 10.5, 10.15, 10.17
p. 357: #10.19, 10.21, 10.23, 10.25