Alphador

Tricot rayé

I have translated the article in English and merged it with Laticauda. -- Blanchardb -^{Me•MyEars•MyMouth}- timed 17:16, 10 November 2008 (UTC)

Welcome to Wikipedia!

Welcome!

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Your Maths References Desk Question

Hello there! I hope you're settling into Wikipedia and starting to have a good time. Just to let you know: I have replied to your question on the maths reference desk. Click here to take a look. If you don't like my answer then drop me a line on my talk page and maybe I will be able to help some more. I look forward to working with you in the future. •• Fly by Night (talk) 21:16, 30 June 2010 (UTC)

Probability

Hi. I'm sorry that you were subjected to trolling by 110.20.11.109 which caused you to retract your question from the reference desk.

Anyway, the answer is that the number of rolls in the second round which are at least 21.5 is distributed binomially with $n=5$ and $p=\Phi (-1.5)$. To match your condition you need this to be at most 3. The probability is then the sum of the probabilities for this to be 0,1,2,3 (or, 1 minus the sum of 4,5). -- Meni Rosenfeld (talk) 18:01, 21 August 2010 (UTC)