Math and Statistics Pre Course Questions

Dear Sir/Madam: Please find attached a set of 10 questions covering Maths and Statistics. I would highly appreciate in a fast turnaround and completion of all 10 questions with answers in detail and in full.  Thanks,Samiur 1. Please include step by step working out/details, since it will be easier for me to follow through. Unfortunately, I covered this material a few years ago and my Math and Statistics is rusty and as a full time professional/employee, I have not found the time to search my textbooks and work through the problems. 2. I need the answers by August 26th 10 AM EST (New York Time). 3. I