7. If ten people come from different places and shake hands in how many different ways could this be done? 8. How many three digit numerals greater than 500 can we write using the digit 3, 4, 5, 6, 7,8 with out repeating a digit ?

A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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7. If ten people come from different places and shake hands in how many different ways could
this be done?
8. How many three digit numerals greater than 500 can we write using the digit 3, 4, 5, 6, 7, 8
with out repeating a digit ?
Transcribed Image Text:7. If ten people come from different places and shake hands in how many different ways could this be done? 8. How many three digit numerals greater than 500 can we write using the digit 3, 4, 5, 6, 7, 8 with out repeating a digit ?
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