n urn contains nine ​red, four ​white, and two blue marbles. Three marbles are selected at random and without replacement.     What is the probability that one of each color is​ selected?     nothing    Round your answer to 4 decimal​ places, if necessary.

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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An urn contains
nine
​red,
four
​white, and
two
blue marbles. Three marbles are selected at random and without replacement.  
 
What is the probability that one of each color is​ selected?  
 
nothing   
Round your answer to 4 decimal​ places, if necessary.
Expert Solution
Step 1

Total number of marbles in the urn = 9+4+2 =15

 

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