Let X be teh mean of a random sample from the exponential distribution
Show that X is an unbiased point estimater of
Which PDF of the exponential function do I use? or
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The sample mean is an unbiased estimator for the true mean. For which of those distributional forms is the defining parameter the mean? That should give you the answer.
IF are iid then which is in this case
Originally Posted by matheagle IF are iid then which is in this case
or or That part I got I wasnt sure which one of the PDF I needed to use, since the one with lambda's expectation is 1/lambda (according to wikipedia)
They are the same, use whatever your book is using.
That clears that up. Thanks.
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