2. How many ways can 10 books be arranged in a shelf if one of them is a bible and it must be placed on the rightmost end? 3. There are 7 finalists for a Mathematics contest, and medals will be given to the top 3 finalists. How many ways are there for the medal winners to be selected?

2. How many ways can 10 books be arranged in a shelf if one of them is a bible and it must be placed on the rightmost end? 3. There are 7 finalists for a Mathematics contest, and medals will be given to the top 3 finalists. How many ways are there for the medal winners to be selected?

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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Question

Answer number 2 to 3 pls. I know you can answer 2 questions.

1. In how many ways can 3 boys and 4 girls sit in a row if
a. they are to sit alternately?
b. the boys and girls are to sit together?
2. How many ways can 10 books be arranged in a shelf if one of them is a bible and it must be
placed on the rightmost end?
3. There are 7 finalists for a Mathematics contest, and medals will be given to the top 3
finalists. How many ways are there for the medal winners to be selected?

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