The mean height of an adult giraffe is 17 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...

The mean height of an adult giraffe is 17 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 18 foot tall?


d. What is the probability that a randomly selected giraffe will be shorter than 16.7 feet tall?


e. What is the probability that a randomly selected giraffe will be between 17.4 and 18 feet tall?


f. The 85th percentile for the height of giraffes is  ft.