2008.semester.2

2008.semester.2 - CS202 - DISCRETE MATHEMATICS SEMESTER...

Info iconThis preview shows pages 1–4. Sign up to view the full content.

View Full Document Right Arrow Icon
* This is a closed book, closed notes examination. * SHOW ALL WORK * The numbers in parentheses after each question is the number of points allocated to that question. * Write your answers on the examination paper in legible ink or pencil. If your answer cannot be read or understood, or if your answer is vague or confused, it will be marked wrong. * NAME ( Print Legibly. All Capitals ): PLEDGE ( Write Out In Full And Sign ): CS202 - D ISCRETE M ATHEMATICS S EMESTER E XAMINATION 2 F ALL 2008 Time Limit - Seventy Five Minutes
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Page 1 Department of Computer Science CS 202 University of Virginia Page score 1. Prove by induction that n 3 - n is divisible by three for any n 1. (10) 2. Prove using a direct proof that the difference between an even integer and an odd integer is odd. (10) 3. Prove using a proof by contradiction that for any integer n , if 3 n + 2 is odd, then n is odd. (10 pts)
Background image of page 2
Page 2 Department of Computer Science CS 202 University of Virginia Page score 4. Suppose each computer purchased by a company is equally likely to be a Dell or a Lenovo. If the company buys four computers, what is the probability that:
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 4
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 6

2008.semester.2 - CS202 - DISCRETE MATHEMATICS SEMESTER...

This preview shows document pages 1 - 4. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online