this is my 2nd time posting this. PLEASE type answers, handwriting is hard to read. PLEASE answer all 4 parts and LABEL each part so it is easy to understand. Thank you.

12. Consider an insurer which has sold 10 independent and identically distributed insurance policies, each having an expected loss of $1,000 and a standard deviation of $800. Furthermore, also assume that losses are normally distributed. a) What is the expected value of the insurer's average loss? b) What is the standard deviation of the insurer's average loss? c) What is the standard deviation of the insurer's average loss, assuming 20 policies instead of 10? d) What is the standard deviation of the insurer's average loss, assuming 20 policies instead of 10 and that all policies all have correlation coefficient of 0.3 with each other