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

How To Calculate Range of Values Of A Random Variable (Binomially Distributed)

  1. Aug 20, 2010 #1
    1 Calculate the expected value of variable x (or E(x)) (number of trials * probability of success)
    2 Calculate the variance (expected value * probability of a failure)

    Take everything to the right of the decimal in the variance off. Then the range of future values is E(x) plus/minus the variance.
     
  2. jcsd
  3. Aug 20, 2010 #2
    The probability of error will always be below .5.
     
  4. Aug 20, 2010 #3

    statdad

    User Avatar
    Homework Helper

    Are you asking whether this is true? On what basis do you make these statements?
     
Know someone interested in this topic? Share this thread via Reddit, Google+, Twitter, or Facebook