How many different 5-letter words can be made a. if the first letter must be C, Z, T, or L and no letter may be repeated? b. if repeats are allowed (but the first letter is C, Z, T, or L)? c. How many of the 5-letter words (starting with C, Z, T, or L) with no repeats end in H?
How many different 5-letter words can be made a. if the first letter must be C, Z, T, or L and no letter may be repeated? b. if repeats are allowed (but the first letter is C, Z, T, or L)? c. How many of the 5-letter words (starting with C, Z, T, or L) with no repeats end in H?
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:How many different 5-letter words can be made
a. if the first letter must be C, Z, T, or L and no letter may be repeated?
b. if repeats are allowed (but the first letter is C, Z, T, or L)?
c. How many of the 5-letter words (starting with C, Z, T, or L) with no repeats end
in H?
a. If the first letter must be C, Z, T, or L, and all the letters in the word must be different, then there are
5-letter words.
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