How many 4-digit numbers can we generate using digits 1,2,...,7? 1. If the numbers should be ≤ 5000 and have no repeating digi- 2. If the numbers may have repeating digits?
How many 4-digit numbers can we generate using digits 1,2,...,7? 1. If the numbers should be ≤ 5000 and have no repeating digi- 2. If the numbers may have repeating digits?
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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Textbook: Ross First Course in Probability (2019) 10th Edition, Prentice Hall.

Transcribed Image Text:Exercise 5 (please solve)
How many 4-digit numbers can we generate using digits 1,2,...,7?
1. If the numbers should be ≤ 5000 and have no repeating digits?
2. If the numbers may have repeating digits?
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Step 1: ) How many 4-digit numbers can we generate using digits 1,2,...,7? 1. If the numbers should be 5000
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