Match the following counting expressions with their values. C(n, 0) 1. n(n-1) The number of bit strings of 2. n(n-1)/2 length n The number of different ways to select a president and a vice president from a group of n people P(n, n-1) C(n, n-1) 3. n 4. n! 5. 2 6.0 7. 1

Match the following counting expressions with their values. C(n, 0) 1. n(n-1) The number of bit strings of 2. n(n-1)/2 length n The number of different ways to select a president and a vice president from a group of n people P(n, n-1) C(n, n-1) 3. n 4. n! 5. 2 6.0 7. 1

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Question

Match the following counting expressions with their values.
C(n, 0)
1. n(n-1)
The number of bit strings of 2. n(n-1)/2
length n
The number of different
ways to select a president
and a vice president from a
group of n people
P(n, n-1)
C(n, n-1)
3. n
4. n!
5. 2¹
6. 0
7. 1

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