Description:
Math: Probability and related fields
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Truncated probability distributions... SOS
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Hi guys, I am totally new in this group and in probability theory in general. Nevertheless, I have been reading a bit this last months and I was wondering one thing: Can I truncate discrete probability distributions??? Is there anything wrong at doing that??? I simply cannot see the problem at truncating discrete variables'... more »
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Is the Euromillions 'Lucky Dip' algorithm skewed?
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How's this for 'randomness'. Already three consequetive numbers in 1-50, then two consequetive numbers in 1-9 Lucky Stars fis stretching belief in randomness. But TWICE !! What are the odds for that??? And is the algorithm 'skewed' ? Selection A: 11 12 13 17 50 Lucky stars 06 07 Selection B: 06 07 08 28 48 Lucky stars 02 03... more »
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Accounting for Time Limits In Study
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I seem to recall from a stat class (long ago and far away) that there is a way to account for events which may happen after a study is completed; any clues will be appreciated. Here's the problem: Patients come to an urgent care center for treatment of various complaints. After being patched up or given a pill, many of them receive a referral to... more »
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Experiments results
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I am having problem with experimental results. I am analysing algorithm performance, which has random nature. Since its for security application the more random the better, which will hide small dependencies under. What i do is comparison its structure(it results in directed graph with each vertex having one outer edge) to random mapping.... more »
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Gift Exchange Problem Question.
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I found this problem at this website. [link] ------------------------------ ------------------------------ ---------- OFFSET 2,3 COMMENT n friends organize a gift exchange. The n names are put into a hat, and the first person draws one. If she picks her own name, then she... more »
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Euler's Constant and the Harmonic Series.
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Can someone give me an example of a probability formula that uses Euler's Constant (Gamma) = .57721566490153286? The only one that I know is P((2^p)-1 is prime)=(e^gamma*log(a*p))/(p*l og(2)) where a=2 if p=3 mod 4, a=6 if p=1 mod 4, gamma=.57721566490153286 I found the above here. [link]... more »
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