The nicotine content in a single cigarette of a particular brand has a distribution with mean 0.9 mg and standard deviation 0.1 mg.
if 100 of these cigarettes are analyzed, what is the probability that the resulting sample mean nicotine content will be less than 0.88?
the length, in feet, of a rectangular rug is represented by the expression . the width, in feet, is represented by the expression
the perimeter of the rectangle is
thus, the perimeter is