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The figure shown represents a board with four rows of pegs

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ven2
 Post subject: The figure shown represents a board with four rows of pegs
 Post Posted: Tue Jan 03, 2012 4:22 am 
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Posts: 18
The figure shown represents a board with four rows of pegs, and at the bottom of the board are four cells numbered 1 to 4. Whenever the ball shown passes through the opening between two adjacent pegs in the same row, it will hit the peg directly beneath the opening. The ball then has probability 1/2 of passing through the opening immediately to the left of that peg and probability 1/2 of passing through the opening immediately to the right. What is the probability that when the ball passes throught the first two pegs at the top it will end up in cell 2?

What is the best method/way to do this one


can someone suggest how do I put up the image .. Thanks
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jnelson0612
 Post subject: Re: The figure shown represents a board with four rows of pegs
 Post Posted: Wed Jan 11, 2012 10:28 pm 
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ManhattanGMAT Staff


Posts: 1857
Here are some step by step instructions for posting an image, courtesy of Ron:

"if you don't know how to post image files, you can upload them to image hosting websites (such as postimage.org), and then post a direct link to the hosting site here.
directions:
(1) go to postimage.org
(2) click "browse"
(3) find the file on your computer and double click it
(4) click "upload"
(5) when the uploading is complete, copy the "direct link" (which should be displayed on the page, underneath some other codes) and paste it into this thread."

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Jamie Nelson
ManhattanGMAT Instructor
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