DEPARTMENT OF MATHEMATICS AND STATISTICS
UNIVERSITY OF MASSACHUSETTS
MATH 131, Fall 2009
Exam 3
Your Name:
The exam consists of 5 multiple choice questions and 4 long answers. Each problem is
worth the indicated number of points. On this exam you may use a page of your own
handwritten
notes, but no books and
no
calculators. The last page is left blank for you
to use as scrap paper.
There are multiple versions of the exam, so please do not try to look on a neighbor’s
paper. Turn oﬀ and do not attempt to use your cellphone, iPod, etc at anytime during
the exam.
You do not need to justify your answers to the multiple choice questions, but you must
show your work
in the exam booklet to receive credit for the four long answer problems.
Partial credit will be awarded based on your work. Be prepared to show your UMass ID
when you turn in the exam.
15: (25 points)
6: (20 points)
7: (20 points)
8: (20 points)
9: (15 points)
TOTAL: (100)
1
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 Fall '08
 HALLSEELIG
 Statistics, Worcester Airport

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