6. (20 pts) The concentration of calcium in 4000 measured samples of bottled water was determined to be 2.04 ppm with a
Posted: Mon May 02, 2022 5:58 pm
6. (20 pts) The concentration of calcium in 4000 measured samples of bottled water was determined to be 2.04 ppm with a standard deviation of 0.06 ppm. What percentage of water samples is expected to have a calcium concentration within the following range: 1.92—2.16 ppm? Assume a Gaussian distribution. Show your work or explain.