8. Picking a president, a vice president, and a secretary from a group of 10.Permutation Question can be solve using P (10,1) times P (9,1) times P (8,1)Permutation Question can be solve using P (10,3)Combination Question can be solve using C (10,3)Combination Question can be solve using C (10,1) times (9, 1) times C (8,1)

Answered: 8. Picking a president, a vice…

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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19 Four different roads from Town A to Town B, and three different roads run from Town B to Town C. Two roads also run from Town A to Town C , bypassing Town B. How many different round trips can you make from Town A to Town C and back ? 182 196 81
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Room A Room B 2 7 5 Room C | Room D 6 Room E Figure 1 i. He wanted to give a tour for his friend. Is that possible for them to walk through every doorway (label as 1, 2, 3, 4, 5, 6, and 7) exactly once? If so, which room must they begin and end the tour? Explain. Is it possible to tour the house visiting each room (label as A, B, C, D, E) exactly ii. once (not necessary using every doorway)? Explain.
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