1.2-3. How many different license plates are possible if a state uses (a) Two letters followed by a four-digit integer (leading zeros are permissible and the letters and digits can be repeated)? (b) Three letters followed by a three-digit integer? (In practice, it is possible that certain "spellings" are ruled out.)

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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Need help with this Intro to probability and statistics homework problem. Below the problem is the answers.

 

1.2-3. How many different license plates are possible if a
state uses
(a) Two letters followed by a four-digit integer (leading
zeros are permissible and the letters and digits can be
repeated)?
(b) Three letters followed by a three-digit integer? (In
practice, it is possible that certain "spellings" are ruled
out.)
Transcribed Image Text:1.2-3. How many different license plates are possible if a state uses (a) Two letters followed by a four-digit integer (leading zeros are permissible and the letters and digits can be repeated)? (b) Three letters followed by a three-digit integer? (In practice, it is possible that certain "spellings" are ruled out.)
1.2-3 (a) 6,760,000; (b) 17576,000.
Transcribed Image Text:1.2-3 (a) 6,760,000; (b) 17576,000.
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