What is the z-score for a giraffe

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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.

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 20 foot tall?

d. What is the probability that a randomly selected giraffe will be shorter than 16.1 feet tall?

e. What is the probability that a randomly selected giraffe will be between 17.3 and 18.3 feet tall?

f. The 90th percentile for the height of giraffes is ft.

Reference no: EM132850722

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