The standard deviation in a large population is equal to 8.3. How big sample is needed to be 90% sure that the sample mean is within 1.3units of the population mean?

go to crash course lititure and go to seconed page and it shows a video about that

what are the choises i cant answer without choises

emerson essentially believes that traveling is overrated. he supports this perspective through an initial focus on "the idea" of places like italy, england, and egypt, and the fascination of "educated americans" with them. he argues that those places only took on the grand, majestic ideas that they represent because "they who made england, italy, or greece venerable in the imagination did so by sticking fast where they were, like an axis of the earth." yes, those places are grand, but only because they so clearly represent the places that they are. the art and culture of italy, england, and egypt is authentic, and therefore significant.

plz mark brainliest