The weight of an organ in adut males has a bel-shaped distribution with a mean of 310 grams and a standard deviation of 40 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 270 grams and 350 grams? (c) What percentage of organs weighs less than 270 grams or more than 350 grams? (d) What percentage of organs weighs between 230 grams and 430 grams? (a) 190 and 430 grams (Use ascending order.) (b) Type an integer or a decimal.)

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