One bag contains 3 red and 4black balls, and a second bag contains 1white, 4 red balls and 6 black balls. One ball is drawn from the first bag and placed unseen in the second bag. What is the probability that a ball now drawn from the second bag is black?   41/65   23/42

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
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Chapter1: Starting With Matlab
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One bag contains 3 red and 4black balls, and a second bag contains 1white, 4 red balls and 6 black balls. One ball is drawn from the first bag and placed unseen in the second bag. What is the probability that a ball now drawn from the second bag is black?

 
  1. 41/65

     
  2. 23/42

     
  3. 82/143

     
  4. 19/42

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