the weight of an organ in adult males has a bell-shaped distribution with a man of 330 grams and a standard deviation of 20 grams. use the empirical rule to determine the following
A. about 99.7% of organs will be between what weights.
B. what percentage of organs weighs between 290 grams and 370 grams?
C. what percentage of organs weigh less than 290 grams or more than 370 grams?
D. what percentage or organs weigh between 290 grams and 350 grams?