I need an expert in Business Analysis (Stat) college lvl 300 with these 5 problems and also who can work with me

Question

I need an expert in Business Analysis (Stat) college lvl 300 with these 5 problems and also who can work with me

further later.

There is only one attempt to submit and score this assignment. If I cant get 100% in the first time, payment can not be processed.

I also want to know how long will it take to solve these problems. Thank you !

BUS310 1. A random sample of 25 observations was taken from a normally distributed population. The
average in the sample was 84.6 with a variance of 400.
a. Construct a 90% confidence interval for…
Statistics and Probability