Answered: 8. The length of an elephant's trunk is…

8. The length of an elephant's trunk is normally distributed with a mean of 175 cm and a standard deviation of 10 cm. What length are the shortest 10% of elephant trunks under?

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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Concept explainers

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.

Question

8. The length of an elephant's trunk is
normally distributed with a mean of
175 cm and a standard deviation of
10 cm. What length are the shortest
10% of elephant trunks under?
W

Expert Solution

Step 1

Given,

$\mu = 175$

$\sigma= 10$

We need to find 10^th Percentile P₁₀

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