2
$\begingroup$

$ x\quad|\quad 0\quad|\quad1\quad|\quad2\quad|\quad4 $ $ f_x(x)\quad|\quad1/27\quad|\quad8/27\quad|\quad10/27\quad|\quad8/27 $

Okay I want to make sure I am doing this correctly: $ F_x(0) = P(X\leq 0) = P(X=0) = 0.0370 $ $ F_x(1) = P(X\leq 1) = P(X=0) + P(X=1) = 0.0370 + 0.2963 = 0.3333 $ $ F_x(1) = P(X\leq 2) = P(X=0) + P(X=1) + P(X=2) = 0.0370 + 0.2963 + 0.3704 = 0.7037 $ $ F_x(1) = P(X\leq 4) = P(X=0) + P(X=1) + P(X=2) + P(X=4) = 0.0370 + 0.2963 + 0.3704 + 0.2963 = 1 $ I believe this is how to do the CDF.

  • 0
    Cool, pretty much add a a "basis".2011-10-06

0 Answers 0