An urn contains theta black balls and n - theta white balls
An urn contains θ black balls and N - θ white balls. A sample of n balls is to be selected without replacement. Let Y denote the number of black balls in the sample. Show that (N/n)Y is the method-of-moments estimator of θ.
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an urn contains theta black balls and n - theta white balls a sample of n balls is to be selected without replacement
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