Waiting for answer This question has not been answered yet. You can hire a professional tutor to get the answer.

QUESTION

How many students must be randomly selected to estimate the mean weekly earnings of students at one college.

How many students must be randomly selected to estimate the mean weekly earnings of students at one college. We want 95% confidence that the sample is within $2 of the population mean, an the population standard deviation is known to be $90

Show more
LEARN MORE EFFECTIVELY AND GET BETTER GRADES!
Ask a Question