A political scientist has 12 volunteers for a political opinion survey. And political scientist Alex two of the volunteers to complete different variations of the survey. How many ways can this be done?

A political scientist has 12 volunteers for a political opinion survey. And political scientist Alex two of the volunteers to complete different variations of the survey. How many ways can this be done?

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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