Let X1, X2,...,Xn be a random sample from the shifted continuous exponential rate 1 distribution with pdf

f(x;) = { e^(x) , x >

0 otherwise }

Which of the following represents a 95% confidence interval for based on the minimum value

Yn=min(X1, X2,..., Xn).

a) (0, 0.951/nYn)

b) (nYnln0.05, nYn+ln0.05)

c) (0.051/nYn, )

d) (nYn, nYn+ln0.05)