mem 3. A machine fills 100-pound bags with white sand. The actual weight of the sand when the machine operates at tis standard speed of 100 bags per hour follows a normal distribution with a standard...

Extracted text: mem 3. A machine fills 100-pound bags with white sand. The actual weight of the sand when the machine operates at tis standard speed of 100 bags per hour follows a normal distribution with a standard deviation of 1.5 pounds. The mean of the distribution depends on the setting of the machine. At what weight should the machine be set so that only 5% of the bags are underweight?