Thread: Random Variables, Density function
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Old July 2nd, 2009, 01:04 PM
jschlarb jschlarb is offline
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Default Random Variables, Density function
I have no idea how to approach the following problem:

Random Variable X has density function

f(x) = \left\{ \begin{array}{ll} ke^{-hx}, & x \geq 0 \\ 0 & x<0 \end{array} \right.

Find the value of k and determine E(x).
Last edited by mr fantastic; July 2nd, 2009 at 11:07 PM. Reason: Fixed latex (exponents require ^{} not ^() ) and formatted pdf as an array
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