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Def: Let S= {a1, a2, ..., an} be a set, not all ai necessarily distinct. A word in S is an equivalence class of permutations of the elements in S, where two permutations are equivalent if they produce the same ordered list. a.) How many words on the set S = {F, LU,F,F} exist? b.) How many words on the set S = {R, 0,T,0,R} exist if T is in the middle?

Def: Let S= {a1, a2, ..., an} be a set, not all ai necessarily distinct. A word in S is an equivalence class of permutations of the elements in S, where two permutations are equivalent if they produce the same ordered list. a.) How many words on the set S = {F, LU,F,F} exist? b.) How many words on the set S = {R, 0,T,0,R} exist if T is in the middle?

A First Course in Probability (10th Edition)
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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Def: Let S= {a1, a2, ..., an} be a set, not all ai necessarily distinct. A word in S is an equivalence class of permutations of the elements in S, where two permutations are equivalent if they produce the same ordered list. a.) How many words on the set S = {F, L,U,F,F} exist? b.) How many words on the set S = {R, 0,T,0,R} exist if T is in the middle?
Transcribed Image Text:Def: Let S= {a1, a2, ..., an} be a set, not all ai necessarily distinct. A word in S is an equivalence class of permutations of the elements in S, where two permutations are equivalent if they produce the same ordered list. a.) How many words on the set S = {F, L,U,F,F} exist? b.) How many words on the set S = {R, 0,T,0,R} exist if T is in the middle?
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