Homework Assignment Statistics 220, Fall 2005
Homework
Assignment
#1
Problems from Devore:
1.
Problem 1.10
2.
Problem 1.36
3.
Problem 1.38
4.
Problem 1.41
5.
Problem 1.42
6.
Problem 1.44
7.
Problem 1.51
Homework Assignment #2
Due September 14
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:
1.
Exercise 2.6
2.
Exercise 2.12
3.
Exercise 2.14
4.
Exercise 2.22
5.
Exercise 2.24
6.
Exercise 2.26
7.
Exercise 2.30
8.
Exercise 2.33
9.
Exercise 2.34
10. Exercise 2.39
11. Exercise 2.44
Homework Assignment #3
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:
1.
Exercise 2.52
2.
Exercise 2.58
3.
Exercise 2.64
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Exercise 2.76
5.
Exercise 2.78. Note that "iff" means "if and only if".
6.
Exercise 2.81
7.
Exercise 2.98
8.
Exercise 2.102
NonDevore problem:
Show that if an event has probability 0 or probability 1, then it is independent of any other event.
Homework Assignment #4
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:
1.
Exercise 3.28
2.
Exercise 3.35
3.
Exercise 3.38
4.
Exercise 3.43. Part (d) is optional.
5.
Exercise 3.46. You may assume that the different CD players are independent.
6.
Exercise 3.56
7.
Exercise 3.82
8.
Exercise 3.86
Homework Assignment #5
Due October 5
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.
NonDevore problem
: Plutonium239 is one of the substances used to make atomic (fission)
bombs. It is radioactive, and the halflife is 24,110 years. That is, the probability that any given
atom of plutonium has decayed after 24,110 years is exactly 0.5.
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 Fall '05
 Shalizi
 Statistics, Normal Distribution, DeVore

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