Question

4).

a.
The weight of an organ in adult males has a bell-shaped distribution with a mean of 325 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 305 grams and 345 grams? (c) What percentage of organs weighs less than 305 grams or more than 345 grams? (d) What percentage of organs weighs between 285 grams and 385 grams? (a) and grams (Use ascending order.) (b) % (Type an integer or a decimal.) (0)% (Type an integer or a decimal.) (d) % (Type an integer or decimal rounded to two decimal places as needed.)
b.

Answer 1

Question is answered below.

These are two different questions.

As per guidelines, I answered only first question

68 - 95 - 99.7 rullo 4(a) १५ 34.1 13.5 1135 0-1577-55 6) organan will 265 285 303 345 365 sss. 325 u-30 4.20 urg utir ur28 4fir About 99.77 of between MIT here u = 325, -20 u & 35= 325 + 3x20 325 £ 60 385 265 265 and 385 grains. 6 Between 305 & 3u5 grams 34% +34%. (6 Organs weighs less than 30s to more than 345. = 0.15+2.35+13.5+13.5+2.35 +0.15= 32 32%. (d) Between 285 and 385 greems. 13.5+ 34+34+ 13.5+2.35= 97.35%