To estimate μ, the mean salary of full professors at american colleges and universities, you obtain the salaries of a random sample of 81 full professors. the sample mean is = $77,220 and the sample standard deviation is s = $4500. a 98% confidence interval for μ is

Answer with explanation:

Sample mean of 81 full Professor = $ 77,220

Sample Standard Deviation (S)= $ 4500

Sample mean= $77,220

So, When , z=98% , then Mean Salary ( μ)=73,440

step-by-step explanation:

is their an equation anywhere i can take a   look at it and see if i am right.

-23, -29, 34, -38, -45, -47, -59, 67, -78, -110, -514, 710