what is the MLE for the mean of a normal distribution whose variance is known to be

what is the MLE for the mean of a normal distribution whose variance is known to be What is the for what is the ( ) for pencil What is the homework for? what is the donation for what is the stem for? the woman is for what the man what is the International Day for? What is your purpose for the what is the person living for?---death What is the test good for?意思? what is good for the pack what is the Olympic standard for love? what is the party for的意思 What is the party for是什么意思? what is the meaning for Consequentialist is it the really what the gallery is looking for? What is the best way for learning English?What is the best way for learning English?