How many different 5-letter words can be made: a. if the first letter must be C, Y, or T and no letter may be repeated? b. if repeats are allowed (but the first letter is C, Y, or T)? c. How many of the 5-letter words (starting with C, Y, or T) with no repeats end in S?
How many different 5-letter words can be made: a. if the first letter must be C, Y, or T and no letter may be repeated? b. if repeats are allowed (but the first letter is C, Y, or T)? c. How many of the 5-letter words (starting with C, Y, or T) with no repeats end in S?
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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How many different 5-letter words can be made:
a. if the first letter must be C, Y, or T and no letter may be repeated?
b. if repeats are allowed (but the first letter is C, Y, or T)?
c. How many of the 5-letter words (starting with C, Y, or T) with no repeats end in S?
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