I need step wise calculations for each step of these questions. STAT 3509 Final Exercise has two parts, the Textbook Exercise Questions folder has already sloved, please hlep me to check the solutions, if you find any errors, please fix it. And the Class Exercise folder has 4 questions. STAT 3504 Final exercise has several folder, and these folders have 5 unslved qiestions in total, others questions have sample solutions, please help me to check the solution, if you find anyerrors, please help me to fix it. Thanksa lot. The deadline is this Thursday, 7/04/2016, at 09 : 00 AM.The related classnotes and pdf of textbook will be attached, thanks. After I accpted your solution, I will give the amount of $40 as tip,thanks a lot.