Clarify the right answer of the given question
Question- Using an EDM instrument with a manufacturer's specified accuracy of +/- 3mm +5ppm, the rectangular dimensions of a large building 1435.67 by 453.67ft were laid out. Assuming only errors in distance measurements, what are the:
Part 1- Standard deviation in the buildings dimensions?
Part 2- Area enclosed by the building and its standard deviation?
I need help to find the Standard deviation in the buildings dimensions.