The mean height of an adult giraffe is 17 feet. Suppose that the distribution is normally distributed with standard deviation 0.8 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 0.8 feet. Let X be the height of a randomly selected adult giraffe. Round all answers to 4 decimal places where possible.

What is the probability that a randomly selected giraffe will be shorter than 17.8 feet tall?


e. What is the probability that a randomly selected giraffe will be between 17.9 and 18.8 feet tall?


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