Hi can someone pls help! this is due today and the only thing I have to do, I’d appreciate so much :D tyy! Take your time and have a good day! :)<3

Describe in detail how you would construct a 95% confidence interval for a set of 30 data points whose mean is 20 and population standard deviation is 3. be sure to show that you know the formula and how to plug into it. also, clearly state the margin of error.

James was playing a game with his friends. he won 35 points. then he lost 15, lost 40 and won 55. how did he come out

If abcde is reflected over the x-axis and then translated 3 units left, what are the new coordinates d? are he re