Question: poll is taken to estimate the average Math SAT score of females from a local college. random sample of 900 students are selected. average Math

poll is taken to estimate the average Math SAT score of females from a local college.

random sample of 900 students are selected.

average Math SAT score of these students is 615 with a standard deviation 90.

estimate that the average Math SAT score of females from the college is ?

find SE for this estimate is ?

find 95 percent confident interval for the average SAT score of all females from the college is from _to _ ?

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