Lengths (in feet) of adult blue whales are normally distributed with mean 75 and standard deviation 10. Answer the following questions in the text box below. Let X be the length of a randomly selected adult blue whale. A. What is the distribution of X? B. What is the probability that a randomly selected blue whale is longer than 100 feet? Round your answer to 4 decimal places. C. If 50 randomly selected whales are measured, what is the probability that their average length is shorter than 70 feet? Round your answer to 4 decimal places. D. What distribution did you use for C