he weight of an organ in adult males has a bell-shaped distribution with a mean of 310 grams and a standard deviation of 35 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 240 grams and 380 grams? (c) What percentage of organs weighs less than 240 grams or more than 380 grams? (d) What percentage of organs weighs between 240 grams and 415 grams?