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Test Marketing Products Anderson Research Company decides to test-market a product in 6 areas. How many different ways can 3 areas be selected in a certain order for the first test?
Intro Stats / AP Statistics
Chapter 4
Probability and Counting Rules
Section 4
Counting Rules
Sampling and Data
Probability Topics
Missouri State University
University of North Carolina at Chapel Hill
Piedmont College
Oregon State University
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In this problem, a research company has deserted to select six videos. Full test a market product, but they have to sell up three products only in three areas Here, order is important, so we have to find her the different rest, which they can select. Six. B. Three. You can write that statement in expression. It looks like and be are equals toe in factorial. Do you want it? But and minus R factorial Now we will substitute the values off. Any are and equal to six Factorial and and minus Ott is six minus three. Factorial six Factory is six in tow. Fight into fourth into three into do into one ordered by six minus three factory. Liz, three Factory and three into doing to one. Now we will cancer both numerator and denominator three factorial No, we will get 1 20 ways. The research company can selector different face
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