Question: Suppose X1, . ..; Xn are iid random variables from the exponential(A) distribution. Write down the joint pdf for the random vector (X1, . ..;

Suppose X1, . ..; Xn are iid random variables from the

Suppose X1, . ..; Xn are iid random variables from the exponential(A) distribution. Write down the joint pdf for the random vector (X1, . ..; Xn) and show that it can be expressed in terms of n, A and r1+ . . . + 2- Identify a (one-dimensional) sufficient statistic for 1

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