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April 25th, 2014, 11:58 AM   #1
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Probability of chance results

I have 2 culture plates made up 96 wells, 2 wells on each plate come up positive and the positive results match up (this being expected as plates are duplicates). What is the probability that these 4 wells came up positive and coincidentally match like this???

An explanation as to how you found your answer would be great as this has to go into my dissertation!!!
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April 25th, 2014, 12:02 PM   #2
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A description of the underlying experiment would be helpful.
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April 25th, 2014, 12:08 PM   #3
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So basically the 96 well plates contain a substrate which change colour and give positive values, this experiment was done in duplicate so 2 plates were used, and as expected the positive wells matched, and there were only 2 positive values on each plates. I trying to upload a picture but I dont know how
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April 26th, 2014, 12:37 PM   #4
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Quote:
Originally Posted by jbiggs2 View Post
So basically the 96 well plates contain a substrate which change colour and give positive values, this experiment was done in duplicate so 2 plates were used, and as expected the positive wells matched, and there were only 2 positive values on each plates. I trying to upload a picture but I dont know how
I'm a mathematician and not familiar with your terminology.

well plates?
substrate?

substrate change colour and give positive values (connection between colour and positive value (of what?))
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