The extract of a plant native to Taiwan has been tested as a possible treatment for Leukemia. One of the chemical compounds produced from the plant was analyzed for a particular collagen. The collagen amount was found to be normally distributed with a mean of 60 and standard deviation of 9.2 grams per mililiter. (a) What is the probability that the amount of collagen is greater than 60 grams per mililiter? answer: (b) What is the probability that the amount of collagen is less than 80 grams per mililiter? answer: (c) What percentage of compounds formed from the extract of this plant fall within 1 standard deviations of the mean? answer: %