SOLUTION: assume a sample of 25 elements taken from a population of 100 elements and the sample average was found to be 35.5 with a standard deviation of 10,construct 90% and 95% confidence

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Question 903653: assume a sample of 25 elements taken from a population of 100 elements and the sample average was found to be 35.5 with a standard deviation of 10,construct 90% and 95% confidence intervals
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi

ME = 1.645(10/sqrt(25))

CI: = 35.5 - ME < mu < 35.5 + ME

ME =  1.96(10/sqrt(25))

CI: = 35.5 - ME < mu < 35.5 + ME