Dismiss Notice
Join Physics Forums Today!
The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

Probability - Breaking up an event into unions of complements

  1. Mar 15, 2010 #1
    Why is it that given 3 events, A, B, and C describe a sample space, then:

    P(A) = P(ABCCC) + P(ABC)

    Shouldn't it be:

    P(A) = P(ABC) + P(ABCC) +P(ABCC) +P(ABCCC)

  2. jcsd
  3. Mar 15, 2010 #2


    User Avatar
    Science Advisor
    Homework Helper

    Hi IniquiTrance! :smile:

Know someone interested in this topic? Share this thread via Reddit, Google+, Twitter, or Facebook

Similar Threads - Probability Breaking event Date
I Probability density of an exponential probability function Monday at 12:10 PM
B Probability and Death Sentences Thursday at 10:48 PM
B Probability of loto hitting a specific place Mar 10, 2018
B The Drunkard's Walk: A Discussion of the Text Mar 8, 2018
Winter break math study Dec 7, 2014