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 20.5 foot tall? ___________

d. What is the probability that a randomly selected giraffe will be shorter than 18.4 feet tall? _______

e. What is the probability that a randomly selected giraffe will be between 19.6 and 20.4 feet tall? __________

f. The 80th percentile for the height of giraffes is_________ ft