The mean height of an adult giraffe is 19 feet. Suppose that the distribution is normally distributed with standard deviation 1 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? [2 ft. c. What is the Z-score for a giraffe that is 21.5 foot tall? [3 d. What is the probability that a randomly selected giraffe will be shorter than 18.4 feet tall? C] e. What is the probability that a randomly selected giraffe will be between 19.9 and 20.5 feet tall? [:] f. The 75th percentile for the height of giraffes is [2 ft