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CBSE Class 12-science Answered

Question probability as per description below
Asked by pthawani | 30 Jan, 2011, 06:00: PM
Expert Answer

Dear Student,

Here is the solution:

Note that if bag A is selected and a red ball drawn and put into bag B, then bag B has 3 red and 5 whiteballs

 

The whole event consists of the following sub-events;

(i) Selecting Bag A and then drawing a red ball from Bag A and putting it into Bag B; ' (ii) Selecting Bag A, and then drawing a white ball from Bag A and putting it into Bag B; (Hi) Selecting Bag B, and then drawing a red ball from Bag B and putting it into Bag/4; (/V) Selecting Bag B, and then drawing a white ball from Bag B and putting it into Bag A. Pictorially the above can be depicted as follows:

 

Regards
Team Topperlearning
Answered by | 07 Feb, 2011, 05:33: PM
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