Finding Probability Using CDF

  • Thread starter EugP
  • Start date
  • #1
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How do I find PMF if I have CDF? For example:

[tex]
F_X (x)=\left\{\begin{array}{cc}0,&\mbox{ if }x\leq -1
\\0.2, & \mbox{ if } -1\leq x < 0
\\0.7, & \mbox{ if } 0\leq x < 1
\\1, & \mbox{ if } x \geq 1
\end{array}\right.[/tex]
 

Answers and Replies

  • #2
EnumaElish
Science Advisor
Homework Helper
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f(x) = [itex]\Delta F(x)/\Delta x[/itex]
 

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