The mean height of an adult giraffe is 19 feet. Suppose that thedistribution is normally distributed with standard deviation 0.9feet. 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 beshorter than 19.3 feet tall?
e. What is the probability that a randomly selected giraffe will bebetween 18 and 18.6 feet tall?
f. The 70th percentile for the height of giraffes is ft.
