Para ir practicando ejercicios resueltos y medianamente explicados, no tengo tiempo para pasarlos a libreOffice asi que van a manito (no tengo mejor letra)

Aventuras y desventuras de un IT
1) (1,5 puntos) Dada una muestra aleatoriade una distribución normal de media 16 y varianza 4, calcular el valor b tal que
2) (1,5 puntos) Encontrar el estimador máximo verosímil para el parámetro de la función de densidad:
3)(2 Puntos) El tiempo de acceso (en milisegundos) en situarse una aguja lectora/escritora en un cilindro se supone que sigue una distribución normal. Para determinar en el tiempo medio de acceso se obtuvo una muestra aleatoria de tamaño n=10, con
, cuasivarianza muestral 1,75 .
4)(2 puntos) Según el informe del observatorio galego da sociedade da informacion del 2009, el porcentaje de hogares que disponen de conexión de banda ancha a internet es del 38,3% obtenida a partir de una muestra de 1000 hogares En 2008, una muestra de 1200 hogares indico que el 35,3% de los hogares disponían de banda ancha.
enjoy
License Text
MICROSOFT SHARED SOURCE CLI, C#, AND JSCRIPT LICENSE
This License governs use of the accompanying Software, and your use of the Software constitutes acceptance of this license.
You may use this Software for any non-commercial purpose, subject to the restrictions in this license. Some purposes which can be non-commercial are teaching, academic research, and personal experimentation. You may also distribute this Software with books or other teaching materials, or publish the Software on websites, that are intended to teach the use of the Software.
You may not use or distribute this Software or any derivative works in any form for commercial purposes. Examples of commercial purposes would be running business operations, licensing, leasing, or selling the Software, or distributing the Software for use with commercial products.
You may modify this Software and distribute the modified Software for non-commercial purposes, however, you may not grant rights to the Software or derivative works that are broader than those provided by this License. For example, you may not distribute modifications of the Software under terms that would permit commercial use, or under terms that purport to require the Software or derivative works to be sublicensed to others.
You may use any information in intangible form that you remember after accessing the Software. However, this right does not grant you a license to any of Microsoft’s copyrights or patents for anything you might create using such information.
In return, we simply require that you agree:
PhpUnderControl is a way to use CI under
Step 1: Enable EPEL repo and Remi repo
yum install wget
rpm -Uvh http://download.fedora.redhat.com/pub/epel/6/i386/epel-release-6-5.noarch.rpm
rpm -Uvh http://rpms.famillecollet.com/enterprise/remi-release-6.rpm
enable remi repository editing file /etc/yum.repos.d/remi.repo
enabled=1
Step2: Install Java and other stuff
yum install unzip
yum install ant
yum install java-1.6.0-openjdk-devel
yum install php-phpunit-PHP-CodeCoverage.noarch
yum install phpdoc.noarch
yum install php-phpunit-phpcpd.noarch
yum install php-phpunit-phploc.noarch
yum install php-phpunit-PHPUnit.noarch
wget ftp://ftp.pbone.net/mirror/rpms.famillecollet.com/enterprise/5/remi/x86_64/php-pear-Console-CommandLine-1.1.3-3.el5.remi.noarch.rpm
rpm -i php-pear-Console-CommandLine-1.1.3-3.el5.remi.noarch.rpm
yum install php-phpunit-PHP-CodeBrowser
yum install php-phpmd-PHP-PMD.noarch
yum install php-ezc-Graph.noarch
yum install git
yum install subversion
Step3: Download CruiseControl
cd /opt
wget http://downloads.sourceforge.net/project/cruisecontrol/CruiseControl/2.8.4/cruisecontrol-bin-2.8.4.zip?r=http%3A%2F%2Fsourceforge.net%2Fprojects%2Fcruisecontrol%2Ffiles%2FCruiseControl%2F2.8.4%2F&ts=1314111366&use_mirror=heanet
unzip cruisecontrol-bin-2.8.4.zip
mv cruisecontrol-bin-2.8.4 cruisecontrol
rm cruisecontrol-bin-2.8.4.zip
cd cruisecontrol
step 4 fix problem with JAVA_HOME
open cruisecontrol.sh with your favorite editor (vim, emacs, nano, pico, gedit …) and set JAVA_HOME value, your file begin must look like this:
<br /> <br />#!/usr/bin/env bash<br /><br /> JAVA_HOME="/usr/lib/jvm/java-1.6.0-openjdk"<br /><br /> #################################################<br /><br /> # CruiseControl, a Continuous Integration Toolkit<br /><br /> # Copyright (c) 2001, ThoughtWorks, Inc.<br /<br /> > # 200 E. Randolph, 25th Floor<br /><br /> # Chicago, IL 60601 USA<br /><br /> # All rights reserved.<br /><br />
step 5
open needed ports
step 6
Download PhpUnderControl
cd /opt
wget http://github.com/phpundercontrol/phpUnderControl/zipball/0.6.1beta1
mv 0.6.1beta1 0.6.1beta1.zip
unzip 0.6.1beta1.zip
mv phpundercontrol-phpUnderControl-04197bb/ phpundercontrol
step 7
Install PhpUnderControl over cruiseControl
cd phpundercontrol
cd bin
./phpuc.php install /opt/cruisecontrol/