have a hard time to calculate the expected value below

E[x^(-1/2)], x is an exponential distribution of beta. I tried to transformed to a gamma but not succeed. the interal is way too big for me figure out. Thanks.

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- September 20th 2009, 07:08 AMMJME[x^(-1/2)] of exponential distribution
have a hard time to calculate the expected value below

E[x^(-1/2)], x is an exponential distribution of beta. I tried to transformed to a gamma but not succeed. the interal is way too big for me figure out. Thanks. - September 21st 2009, 05:20 AMLaurent
- September 21st 2009, 05:56 AMMJM
Thanks. It works nicely.