College Level Statistics Problem. (Engineer, Statistics skil

The assignment is attached below. It is 7 statistics problems but you only need to solve 6 out of 7. You can pick any six problem you want to solve. Please show step by step how you got the results and show all your work for all the problems. Please attach any supporting information (e.g., Excel sheet printout). Neatness is another requirement. Use a ruler if any drawn needs to be made. Correct notation is necessary ( For sample Reman letters, For populations Greek letters and etc. Use a 5% level of significance and a two-tailed alternate hypotheses, unless the problem says something different. This assignment needs to be completed by Monday 12 eastern time. Plus there will be a 10 dollars award for getting a 90% or above on every problem Let me know if you have any questions. Thank you!