5 J.1- I
FINAL MATS21 FALL 2007
1. A class consists o f 15 girls and 2 0 boys.
(a) In how many different ways can a class president, vice-president, treasurer, and
secretary o f d efense b e randomly selected?
(b) Suppose instead that a committee o
MAT 521, Fall 2007, Final Exam
Name: _ _
This is a closed book, closed notes exam. You m ust s how appropriate
work to receive credit, a nd s implify your answers except in the case of
counting" problems. Keep your answers exact!
P roblem Points Scor
May 4 ,2006
M AT 5 21, F inal E xam
I nstructions: T here are 9 problems in this exam for a grand t otal of 90 points. Each problem is worth
a bout 10 points. Be sure to show your work a nd explain your reasoning. In general, incomp
MAT 521, Fall 2006, Final E xam
This is a closed book, closed notes exam. N o c alculators are allowed. You
m ust s how a ppropriate w ork to receive credit, a nd s implify y our a nswers
e xcept i n t he c ase of counting" p roblems. Keep y our a
Math 521 Fall 2001 Final Exam
Problem Points Score
Do all your work on this exam. Correct answers must be supported by
your calculations and reasoning where appropriate.
1 . I have a drawer with 38 white socks and 62 green socks