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( 19 1 b. What is the median giraffe height? 19 ✓ft. c. What is the Z-score for a giraffe that is 21.5 foot tall? 2.5 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 19.9 and 20.5 feet tall? f. The 75th percentile for the height of giraffes is ft.

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A:

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