Prof. S. Brick Math for Elem Ed II; Exam 2 Math 202
Spring ’04 section 501
Print your name:
Show all of your work, and explain your reasoning.
1. How many types of regular polyhedra are there ? What type did we construct using an
envelope ? Name all the other regular polyhedra.
2. The game of eciD costs $1 to play. You roll two dice. If you a roll a 12 you receive $6,
if you a roll a 7, you receive $2. What is the expected value of eciD to you ? What is the
likely result if you play eciD 100 times ?
3. Can a straight line transversely intersect a simple closed curve exactly 309 times ?
