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Conditional Probability and Combinations

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Uploaded by on May 11, 2008

Probability that I picked a fair coin given that I flipped 4 out of 6 heads.

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LICENSE: Creative Commons (Attribution-Noncommercial-No Derivative Works).

For more information about this license, please read: http://creativecommons.org/licenses/by-nc-nd/3.0/.

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  • i also still in confused.

  • Dude! you are a genius.

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All Comments (58)

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  • mind was literally blown at the universe drawing at the very end, great work!

  • statistics is so fucking tedious

  • @alexpui82 No, the probability of success and failure is the same. So, [(1/2)^k]*[(1/2)^(n-k)] = (1/2)^n

  • Thank you SO MUCH for taking the time to post this!!

  • Not sure if its just me, but could there be a mistake with the fair coin P[H = 4/6] equation? Looks like Sal missed multiplying the binomial probability equation by its 'no success' term, which is (1/2)^ (n-k) , where n = 6, and k = 4??

  • You don't have to be a genius to get all that, it depends on how much time you spend on it.

  • The handwriting is a little unclear to read..

  • legend

  • i was lost at 4:20

  • I don't need all that , can I just borrow your brain for one day "Exam's day" ?

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