Suppose we want to choose 6 letters, without replacement, from 10 distinct letters. (a) If the order of the choices matters, how many ways can this be done? 0 (b) If the order of the choices does not matter, how many ways can this be done?

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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Suppose we want to choose 6 letters, without replacement, from 10 distinct letters.

(a) If the order of the choices *matters*, how many ways can this be done?

[ ]

(b) If the order of the choices does *not* matter, how many ways can this be done?

[ ]
Transcribed Image Text:Suppose we want to choose 6 letters, without replacement, from 10 distinct letters. (a) If the order of the choices *matters*, how many ways can this be done? [ ] (b) If the order of the choices does *not* matter, how many ways can this be done? [ ]
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