"The sum of the two results, both unreliableā¦ cannot give a reliable result," he wrote.Now the acquittal has been overturned by Italy's highest instance court and there is a re-trial. As the example illustrates, there can be considerably more information gained from a second test.
I'm reproducing the calculations which led to the resulting numbers of the example in the news article in this hands on tutorial. (make sure to click "hide toolbar" do be able to see the last lines.)
You can do it by yourself with pen and paper. I use a software called RStudio to write the example. Have a look at the source file (faircoins.Rmd) on my github.
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