The mean height of an adult giraffe is 18 feet. Suppose that the distribution is normally distributed with standard deviation 1 feet. Let X be the height of a randomly selected adult giraffe. If necessary, round your answers to 4 decimal places. a) Find the z-score for a giraffe that is 19 feet tall. 1 b) What is the probability that a randomly selected giraffe is shorter than 17.4 feet tall? c) What is the probability that a randomly selected giraffe is between 18.6 and 19.3 feet tall? d) Find the 70th percentile for the height of giraffes. feet

MATLAB: An Introduction with Applications
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The mean height of an adult giraffe is 18 feet. Suppose that the distribution is normally distributed with
standard deviation 1 feet. Let X be the height of a randomly selected adult giraffe. If necessary, round
your answers to 4 decimal places.
a) Find the Z-score for a giraffe that is 19 feet tall.
1
b) What is the probability that a randomly selected giraffe is shorter than 17.4 feet tall?
c) What is the probability that a randomly selected giraffe is between 18.6 and 19.3 feet tall?
d) Find the 70th percentile for the height of giraffes.
feet
Transcribed Image Text:The mean height of an adult giraffe is 18 feet. Suppose that the distribution is normally distributed with standard deviation 1 feet. Let X be the height of a randomly selected adult giraffe. If necessary, round your answers to 4 decimal places. a) Find the Z-score for a giraffe that is 19 feet tall. 1 b) What is the probability that a randomly selected giraffe is shorter than 17.4 feet tall? c) What is the probability that a randomly selected giraffe is between 18.6 and 19.3 feet tall? d) Find the 70th percentile for the height of giraffes. feet
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