Answers by visitors named: Meghana N
^λML= (3*n)/s
a) 2*Phi((sqrt(n)*(barX_n-lambda_0))/sqrt(lambda_0))
b) 1-Phi((sqrt(n)*(lambda_0-barX_n))/sqrt(lambda_0))
c) 2*(1-Phi(sqrt(n)*(barX_n-(1/lambda_0))*lambda_0))