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The weight of an organ in adult males has a? bell-shaped distribution with a mean of...

The weight of an organ in adult males has a? bell-shaped distribution with a mean of 350 grams and a standard deviation of 30 grams. Use the empirical rule to determine the following.

?(a) About 68% of organs will be between what? weights?

?(b) What percentage of organs weighs between 260 grams and 440 ?grams?

?(c) What percentage of organs weighs less than 260 grams or more than 440 grams?

?(d) What percentage of organs weighs between 290 grams and 440 ?grams?

Math   Statistics-And-Probability   
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