The mean height of an adult giraffe is 19 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. a. What is the distribution of X? X ~ N( 19 0.8 b. What is the median giraffe height? 19 ft. o c. What is the Z-score for a giraffe that is 22 foot tall? 3.75 d. What is the probability that a randomly selected giraffe will be shorter than 18.2 feet tall? e. What is the probability that a randomly selected giraffe will be between 18.5 and 19.4 feet tall? f. The 75th percentile for the height of giraffes is ft.

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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Please answer D, E, & F.

The mean height of an adult giraffe is 19 feet. Suppose that the distribution is normally distributed with standard deviation of 0.8 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, 0.8)

b. What is the median giraffe height? 19 ft.

c. What is the Z-score for a giraffe that is 22 feet tall? 3.75

d. What is the probability that a randomly selected giraffe will be shorter than 18.2 feet tall? [Blank box for answer]

e. What is the probability that a randomly selected giraffe will be between 18.5 and 19.4 feet tall? [Blank box for answer]

f. The 75th percentile for the height of giraffes is [Blank box for answer] ft.
Transcribed Image Text:The mean height of an adult giraffe is 19 feet. Suppose that the distribution is normally distributed with standard deviation of 0.8 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, 0.8) b. What is the median giraffe height? 19 ft. c. What is the Z-score for a giraffe that is 22 feet tall? 3.75 d. What is the probability that a randomly selected giraffe will be shorter than 18.2 feet tall? [Blank box for answer] e. What is the probability that a randomly selected giraffe will be between 18.5 and 19.4 feet tall? [Blank box for answer] f. The 75th percentile for the height of giraffes is [Blank box for answer] ft.
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