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7.2

Jars

Asked by Aenox in Puzzles & Riddles

Tags: marble, black, white, jars

I love this because I got it instantly and felt good :p
Enjoy.


you are a prisoner in a foreign land. your fate will be determined by a little game. there are two jars, one with 50 white marbles, and one with 50 black marbles. at this point, you are allowed to redistribute the marbles however you wish (e.g. swap a black marble with a white marble, etc.): the only requirement is that after you are done with the redistribution, every marble must be in one of the two jars. afterwards, both jars will be shaken up, and you will be blindfolded and presented with one of the jars at random. then you pick one marble out of the jar given to you. if the marble you pull out is white, you live; if black, you die. how should you redistribute the marbles to maximize the probability that you live; what is this maximum probability (roughly)?

[+][-]01/02/03 05:49 AM, ID: 7655367Accepted Solution

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About this solution

Zone: Puzzles & Riddles
Tags: marble, black, white, jars
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Solution Provided By: tijoe
Participating Experts: 4
Solution Grade: A
 
[+][-]01/02/03 05:50 AM, ID: 7655370Expert Comment

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[+][-]01/02/03 05:52 AM, ID: 7655380Expert Comment

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[+][-]01/02/03 06:59 AM, ID: 7655703Expert Comment

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[+][-]01/02/03 07:01 AM, ID: 7655719Expert Comment

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[+][-]01/02/03 08:16 AM, ID: 7656237Expert Comment

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[+][-]01/02/03 09:02 AM, ID: 7656511Expert Comment

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[+][-]01/02/03 09:15 AM, ID: 7656590Expert Comment

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[+][-]01/02/03 09:17 AM, ID: 7656602Author Comment

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[+][-]01/02/03 10:10 AM, ID: 7656940Expert Comment

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