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What is the distribution of x

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The mean height of an adult giraffe is 18 feet. Suppose that the distribution is normally distributed with standard deviation 0.9 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 0.9

b. What is the median giraffe height? ft. Enter an integer or decimal number, accurate to at least 4 decimal places [more..]

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 be shorter than 17.4 feet tall?

e. What is the probability that a randomly selected giraffe will be between 18.7 and 19.3 feet tall?

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

Reference no: EM132847093

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