The amount of pollutants that are found in waterways near large cities is normally distributed with mean 8.5 ppm and sta
Posted: Mon Jul 11, 2022 11:48 am
The amount of pollutants that are found in waterways near largecities is normally distributed with mean 8.5 ppm and standarddeviation 1.6 ppm. 37 randomly selected large cities are studied.Round all answers to 4 decimal places where possible.