The mean height of an adult giraffe is 19 feet. Suppose that the distribution is normally distributed with standard deviation 0.9 feet. Let X be the height of a randomly selected adult giraffe. Round all answers to 4 decimal places where possible. a. What is the distribution of X? X ~ N( b. What is the median giraffe height? ft. c. What is the Z-score for a giraffe that is 21 foot tall? d. What is the probability that a randomly selected giraffe will be shorter than 18 feet tall? e. What is the probability that a randomly selected giraffe will be between 19.2 and 19.8 feet tall?