The amount of cereal that the packaging machine puts in box is normally distributed with mean of 340 grams and a standard deviation of 8 grams
A. What fraction of population of the cereal boxes filled by this machine contain between 330 grams and 350 grams of cereal?
B. What fraction of the population of the cereal boxes filled by this machine contain more than 360 grams of cereal?
C. The probability that X is less tan 335?