Struggling to understand

Scientists are interested in monitoring the heatth of trout perch in the Oil Sands Region of Canada. As part of a larger study. sh were collected from the Athabasca River and Peace River, and several characteristics were measured, including the Length of each st (in millimeters]. Based on an examination of the data it is reasonable to use a normal model to describe the length of trout perch in this region with mean of 69.39 mm and a standard deviation of 9.4? mm. D 1. What percentage of sh are less than 60 mm long? Choose the correct answer from below. 0 A. 99.16% 0 B. 83.89% 6. - O D. 76.73% 0 E. 16.11% 2. What percentage of sh are more than 80 mm long? Choose the correct answer from below. 0 A. r3.?3% o e. 33.33% 0 c. 33.33% 0 D. 13.14% 0 E. 1.12% 3. What percentage of sh have lengths that are more than 1.60 standard deviations away from the mean