A marching band consists of 11 pipers and 12 drummers. Three of them are selected to march in order in a scaled-down socially-distanced New Year parade. How many different possibilities are there if the selected trio must include at least one piper?

A marching band consists of 11 pipers and 12 drummers. Three of them are selected to march in order in a scaled-down socially-distanced New Year parade. How many different possibilities are there if the selected trio must include at least one piper?

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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