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# Solved: The total number of hours, in units of 100 hours,

ISBN: 9780321629111 32

## Solution for problem 4.39 Chapter 4

Probability and Statistics for Engineers and the Scientists | 9th Edition

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Probability and Statistics for Engineers and the Scientists | 9th Edition

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Problem 4.39

The total number of hours, in units of 100 hours, that a family runs a vacuum cleaner over a period of one year is a random variable X having the density function given in Exercise 4.13 on page 117. Find the variance of X.

Step-by-Step Solution:
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Week 3: Distribution of Data (rest of Ch.2) 20 September, 2016 Basic Statistics for Research Professor HK Dong Wendy Liu Summary of Standard Notation: Variable sample Population Mean Standard deviation Variance Data set size 5 number summary – forms box & whisker plot  Min – smallest value in data set th  Q1– 25 percentile;...

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##### ISBN: 9780321629111

This textbook survival guide was created for the textbook: Probability and Statistics for Engineers and the Scientists, edition: 9. This full solution covers the following key subjects: . This expansive textbook survival guide covers 18 chapters, and 1582 solutions. Since the solution to 4.39 from 4 chapter was answered, more than 222 students have viewed the full step-by-step answer. The full step-by-step solution to problem: 4.39 from chapter: 4 was answered by , our top Statistics solution expert on 05/06/17, 06:21PM. The answer to “The total number of hours, in units of 100 hours, that a family runs a vacuum cleaner over a period of one year is a random variable X having the density function given in Exercise 4.13 on page 117. Find the variance of X.” is broken down into a number of easy to follow steps, and 44 words. Probability and Statistics for Engineers and the Scientists was written by and is associated to the ISBN: 9780321629111.

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