Question: Let Y1, Y2... Ya be independent, exponentially distributed random variables with mean beta. Give the 1) Density function for Y(k), the kth order statistic, where

Let Y1, Y2... Ya be independent, exponentially distributed random variables with mean beta.
Give the
1) Density function for Y(k), the kth order statistic, where k is an integer between 1 and n.2) Joint density function for Y(j) and Y(k) where j and k are integers 1 < = j < k < = n.
*j and k are suppose to be subscripted

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