Click here for answers to homework problems that have been turned in.
Please print your name on your homework paper, and indicate which discussion section (2A - 2F) you are in. Then put the problems in the correct order, and staple the sheets together. (If you are turning in late homework, keep it separate from the current homework, and label it clearly.)
Problems assigned Friday, September 26: None.
Problems assigned Monday, September 29:
Section 12.1, page 793:
Problems 4, 8, 12.
Section 12.2, page 805:
Problems 2, 4.
If you don't have the textbook yet, you can find here a
copy of the above problems.
Problems assigned Wednesday, October 1:
Section 12.1, page 793:
Problems 20, 24, 26. (In #20, the elevator should
be full. In #26, the beans are numbered 1-45.)
Section 12.2, page 806:
Problems 32, 34. (The selections are made randomly.)
Problems assigned Friday, October 3:
Section 12.1, page 794: Problem 32.
(The two committees do different jobs.)
Section 12.2, page 805: Problems 14, 24, 28, 30.
Problems assigned Monday, October 6:
Section 12.3, page 817:
Problems 8, 12, 14, 18, 20.
Problems assigned Wednesday, October 8:
Section 12.3, page 817:
Problems 6, 22, 24, 28, 30.
(In #22 and #24, compute the probabilities.)
Problems assigned Friday, October 10:
Section 12.3, page 817:
Problems 26, 32, 34, 36, 37.
Problems assigned Monday, October 13:
Section 12.4, page 848:
Problems 2, 6, 8, 14, 16.
Problems assigned Wednesday, October 15:
Section 12.4, page 848:
Problems 15*, 17*, 19*, 23*, 25*.
Problems assigned Friday, October 17:
Section 12.4, page 851:
Problems 32*, 35*, 36*, 37*, 39*.
(In #32, the experiment is done a total of four times.
Similarly in #39(b), the experiment is done a total of 10 times.)
Problems assigned Monday, October 20: None.
Problems assigned Wednesday, October 22: None.
Problems assigned Friday, October 24:
Section 12.4, page 851:
Problems 42, 45, 46, 47, 48.
Problems assigned Monday, October 27:
Section 12.4, page 851:
Problems 50, 54, 56, 58, 62 (for n = 3).
Problems assigned Wednesday, October 29:
Section 12.4, page 852:
Problems 64, 66, 68, 70, 72.
(In #63-#70, Lambda = lambda.)
See the online supplementary page, Poisson processes.
Problems assigned Friday, October 31:
Section 12.4, page 852:
Problems 74, 76, 78, 82, 84.
Problems assigned Monday, November 3:
Section 12.5, page 884:
Problems 4, 6, 6, 7, 38. (#6 counts double.)
Note: Problems that would have been due on Tuesday, November 11, are instead due on Wednesday, November 12, in lecture.
See the online supplementary page, Six distributions.
Problems assigned Wednesday, November 5:
Section 12.5, page 886:
Problems 50, 51, 54, 55, 56. (In #55-56, include the units.)
Problems assigned Friday, November 7:
Section 12.5, page 886:
Problems 58(a), 58(b), 62(a), 62(b), 64.
See the online supplementary page, Aging.
Problems assigned Monday, November 10:
Section 12.5, page 885:
Problems 16, 24(a,c), 28, 30, 33.
(In #28, include the units. For #33, don't trust others' answers.)
Problems assigned Wednesday, November 12:
Section 12.5, page 885:
Problems 26, 34, 36, 40, 42.
(Suggestion for #42: min(X1, X2, X3) > y
<=>
X1 > y and X2 > y and X3 > y.)
Problems assigned Friday, November 14:
Section 12.6, page 896:
Problems 12, 20(a,b), 22, 24, 26.
See the two online supplementary pages, Limit theorems and The pill problem.
Problems assigned Monday, November 17:
Section 12.6, page 897:
Problems 21*, 25*, 29*.
Problems assigned Wednesday, November 19: None.
Problems assigned Friday, November 21: None.
Problems assigned Monday, November 24:
Section 12.7, page 914:
Problems 2, 4, 12, 14.
Also construct a 98% confidence interval for #14
(using S in place of sigma).
(For Thursday discussion sections, these problems
are due December 4.)
See the online supplementary pages, Analyzing data.
Problems assigned Wednesday, November 26:
Section 12.7, page 915:
Problems 16 (with sigma), 16 (with S), 20.
Also construct a 99% confidence interval for
#4 on page 914 (using S).
Section 12.9, page 917: Problem 14.
Problems assigned Monday, December 1:
Section 12.6, page 896:
Problems 6*, 8*, 10*, 18*, 28*.
kkk
No further problems. The last day to turn in any problems is Thursday, December 4.
Be sure you turn in at least half of the assigned problems. (See the "Grading" paragraph on our home page.)
Click here for a normal distribution calculator.
*Do not turn these problems in.