Problems 18, 19, 20: A number consisting of three different digits is to be formed using the integers 2, 3, 4, 6, 7, 8. 18. How many of the numbers are greater than 700? 80 720 C. 40 В. D. 144 19. How many numbers are odd? A. 80 C. 86 D. 10 В. 72 20. How many numbers begin and end with an even number? A. 54 C. 48 36 28 D. AB. B.
Problems 18, 19, 20: A number consisting of three different digits is to be formed using the integers 2, 3, 4, 6, 7, 8. 18. How many of the numbers are greater than 700? 80 720 C. 40 В. D. 144 19. How many numbers are odd? A. 80 C. 86 D. 10 В. 72 20. How many numbers begin and end with an even number? A. 54 C. 48 36 28 D. AB. B.
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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Transcribed Image Text:Problems 18, 19, 20: A number consisting of three different digits is to be formed using
the integers 2, 3, 4, 6, 7, 8.
18. How many of the numbers are greater than 700?
А.
80
720
C.
40
В.
D.
144
19. How many numbers are odd?
A.
80
C.
86
В.
72
D.
10
20. How many numbers begin and end with an even number?
A.
54
C.
48
В.
28
D.
36
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