   Chapter 9.2, Problem 17ES ### Discrete Mathematics With Applicat...

5th Edition
EPP + 1 other
ISBN: 9781337694193

#### Solutions

Chapter
Section ### Discrete Mathematics With Applicat...

5th Edition
EPP + 1 other
ISBN: 9781337694193
Textbook Problem
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# a. How many integers arc there from 1000 through 9999? b. How many odd integers are there front 1000 through 9999? C. Him many integers from 1000 through 9999 have distinct digits? d. Him many odd integers from 1000 through 9999 have distinct digits? e. V\ hat is the probability that a randomly chosen four-digit integer has distinct digits? has distinct digits and is udd ?c

To determine

(a)

The number of integers are there from 1000 through 9999.

Explanation

Given information:

Number is 1000to 9999.

Concept used:

m and n are integers and mn, then the number of integers from m to n inclusive are mn+1.

Calculation:

Use the result, if m and n are integers and mn, then there are mn+1 integers from m to n inclusive

To determine

(b)

The number of odd integers are there from 1000 through 9999.

To determine

(c)

The number of integers from 1000 through 9999 have distinct digits.

To determine

(d)

The number of odd integers from 1000 through 9999 have distinct digits.

To determine

(e)

The probability that a randomly chosen four digits integer has distinct digits. Has distinct digits and is odd.

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