Plastichem manufactures plastic drums which are normally distributed with mean diameter of 12 inches and standard deviat
Posted: Tue Apr 26, 2022 5:53 pm
Plastichem manufactures plastic drums which are normally distributed with mean diameter of 12 inches and standard deviation of 5 inches. If the total production is 20,000 units then how many are expected to be: i) ii) iii) Greater than 17 inches Less than 8 inches In between 9 inches to 14 inches in diameter.