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Solved: The total time, measured in units of 100 hours,

Probability and Statistics for Engineers and the Scientists | 9th Edition | ISBN: 9780321629111 | Authors: Ronald E. Walpole; Raymond H. Myers; Sharon L. Myers; Keying E. Ye ISBN: 9780321629111 32

Solution for problem 4.58 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 | ISBN: 9780321629111 | Authors: Ronald E. Walpole; Raymond H. Myers; Sharon L. Myers; Keying E. Ye

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

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Problem 4.58

The total time, measured in units of 100 hours, that a teenager runs her hair dryer over a period of one year is a continuous random variable X that has the density function f(x)= x, 0

Step-by-Step Solution:
Step 1 of 3

Weeks 7 & 8 Normal Distribution  “The bell Shaped Curve”: describes the shape for some quantitative, continuous random variables  Has two parameters: o  = mean determines the location. o  = standard deviation determines spread, variation, scatter.   The “area” under the curve within a range of X values is equal to proportion of the population within that range of X values

Step 2 of 3

Chapter 4, Problem 4.58 is Solved
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Textbook: Probability and Statistics for Engineers and the Scientists
Edition: 9
Author: Ronald E. Walpole; Raymond H. Myers; Sharon L. Myers; Keying E. Ye
ISBN: 9780321629111

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Solved: The total time, measured in units of 100 hours,