1. Your garage door has a keypad with the numbers 0-9. You need to pick a 5-digit lock code. How many codes are possible if a. You don’t want to repeat any numbers? b. You do want to repeat numbers?

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

1. Your garage door has a keypad with the numbers 0-9. You need to pick a 5-digit lock code. How many codes are possible if a. You don’t want to repeat any numbers? b. You do want to repeat numbers? 2. At school, the faculty senate consists of 10 women and 8 men. How many different committees can be chosen that consist of 3 women and 3 men? a. How many ways can the 3 women be chosen? b. How many ways can the 3 men be chosen? c. Find the number of the different committees that can be formed.

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