K A livestock cooperative reports that the mean weight of yearling Angus steers is 1095 pounds. Suppose that the weights of all such animals can be described by a Normal model with a standard deviation of 64 pounds a) What percent of steers weigh over 1200 pounds? b) What percent of steers weigh under 1250 pounds? c) What percent of steers weigh between 1150 and 1300 pounds? 0% of steers have weights above 1200 pounds (Round to one decimal place as needed)