Let 1,2,3,4,5,6,7,8,9,10, be iid random sample from a distribution f(x; ) = ex for x 0 and > 0. Suppose it is given that 2 sigma(i=1,n) (Xi (2n)^2 ) where Xi 's are iid random samples from the above distribution.3 Then a 95% confidence interval for is given by

(A) Cannot be found from the given information.

(B) (0.181, 0.621)

(C) (1.61, 5.525)

(D) (9.591,34.170)

(E) None of the above.