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you chose 
... you are
this was actually generated completely randomly
- Why did you think it was an omen?
- (i) Some tiles have few rain drops on them, others have many. You may have thought this meant it was not random. In fact, this is exactly what you expect to see of random phenomena. Random things are rarely uniformly spread except when there are very large numbers of independent things.
- (ii) There are some apparent patterns alignments, clumps etc. This probably arose purely by chance. Our eyes are very good at picking out patterns, even random ones! However, it is possible that some of these are due to the random generator being used not being 100% random. All random number generators have some element of systematic behaviour, and you have to be careful when using them for statistical simulations.
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3 | statistics tutorial
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