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Question probability as per description below

Asked by pthawani 30th January 2011, 6:00 PM
Answered by 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 Expert 7th February 2011, 5:33 PM
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