**Birthrates**The birthrates in the United States for the years 2003–2012 are given in the following table. (The birthrate is the number of live births per 1000 population.)| Year | 2003 | 2004 | 2005 | 2006 | 2007 ||------|------|------|------|------|------|| Birthrate | 14.7 | 14.0 | 14.0 | 14.2 | 14.2 || Year | 2008 | 2009 | 2010 | 2011 | 2012 ||------|------|------|------|------|------|| Birthrate | 14.0 | 13.8 | 13.8 | 13.8 | 13.7 |**Exercises:**a. Describe a random variable $ X $ that is associated with these data.b. Find the probability distribution for the random variable $ X $.c. Compute the mean, variance, and standard deviation of $ X $.*Source: National Center for Health Statistics.*

Name: **Birthrates**The birthrates in the United States for the years 2003–
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Description: **Birthrates**The birthrates in the United States for the years 2003–2012 are given in the following table. (The birthrate is the number of live births per 1000 population.)| Year | 2003 | 2004 | 2005 | 2006 | 2007 ||------|------|------|------|----

a. The random variable X is the annual birth rate during the years 2003−2012.

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Probability

BIRTHRATES The birthrates in the United States for the years 2003–2012 are given in the following table. (The birthrate is the number of live births/1000 population.) Year 2003 2004 2005 2006 2007 Birthrate 14.7 14.0 14.0 14.2 14.2 Year 2008 2009 2010 2011 2012 Birthrate 14.0 13.8 13.8 13.8 13.7 a. Describe a random variable X that is associated with these data. b. Find the probability distribution for the random vari- able X. c. Compute the mean, variance, and standard deviation of X.

BIRTHRATES The birthrates in the United States for the years 2003–2012 are given in the following table. (The birthrate is the number of live births/1000 population.) Year 2003 2004 2005 2006 2007 Birthrate 14.7 14.0 14.0 14.2 14.2 Year 2008 2009 2010 2011 2012 Birthrate 14.0 13.8 13.8 13.8 13.7 a. Describe a random variable X that is associated with these data. b. Find the probability distribution for the random vari- able X. c. Compute the mean, variance, and standard deviation of X.

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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