MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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Question

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.


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 feet tall? 

f. The 70th percentile for the height of giraffes is  ft.

Expert Solution
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Step 1

Solution-:

Given: μ=17,σ=0.8

Let, X= be the height of a randomly selected adult giraffe

∴X→ N(μ=17,σ2=0.82)

We find,

(d) P(a randomly selected giraffe will be shorter than 16.1 feet tall)=?

(e) P(a randomly selected giraffe will be between 17.3 and 18 feet tall)=?

(f) The 70th percentile for the height of giraffes in feet.

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