The weight of an organ in adult males has a bell-shaped distribution with a mean of 350 grams and a standard deviation of 35 grams. Use the empirical rule to determine the following. (a) About 95% of organs will be between what weights? (b) What percentage of organs weighs between 245 grams and 455 grams? (c) What percentage of organs weighs less than 245 grams or more than 455 grams? (d) What percentage of organs weighs between 280 grams and 455 grams?

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