Amber Roxanna Joined 1/30/11 Messages 32 Points 18 2/1/11 #1 Show that the cauchy random variable is not an integrable random variable
koupparis Carpe noctum Joined 9/1/08 Messages 208 Points 28 2/1/11 #2 Umm, take it's pdf and compute E[X]. Where's the problem?
Amber Roxanna Joined 1/30/11 Messages 32 Points 18 2/1/11 #3 so i compute the integral of X times the pdf of the cauchy distribution, but from what limits ? -inf to inf ?
so i compute the integral of X times the pdf of the cauchy distribution, but from what limits ? -inf to inf ?
koupparis Carpe noctum Joined 9/1/08 Messages 208 Points 28 2/1/11 #4 Yes, those limits are correct. In general the limits are the domain of the random variable. Look up the Cauchy distribution and you'll see.
Yes, those limits are correct. In general the limits are the domain of the random variable. Look up the Cauchy distribution and you'll see.