= E(X2) – [E(X)] 2 5=E(X2)-1 E(X2) = 6 a) E[(2+X) 2] = E(4+4X+ X2) = 4 + 4 E(X) + E(X2) = 4+4+6 = 14 b) Var (4+3X) = E [(4+3X) 2] – [E(4+3X)] 2 = E (16+6X+9 X2) – [4+3E(X) ] 2 = 16+6 E(X)+9 E(X2) – 16 - 24 E(X) - 9 [E(X) ] 2 = 16 + 6 +9(6) -16 -24 -9 = 27 4. C (2‚0‚-3‚5‚10) v(0‚1)=1.25 v(1‚2)=1.25 ; v(2‚1) = 1/1.25 = 0
Premium
5 1.1.4 4 - 81 + 1250 1 1 2(-) 4() =2 –3 +1 = 2– 1 – 3 3 + 1 1 = – 27 + 1 1 = – 25 1 1.2.1 4.3x = 36 (5) ∴4.3x = 36 4 4 ∴3x = 9 1 ∴3x = 32 1 ∴x = 2 1 1.2.2 16-x = 2 1 4(- x) =2 ∴2 (3) ∴ 2-4x = 2 ∴-4x = 1 1 ∴-4x = 1 -4 -4 ∴ x = - 1 (5) (3) [23] (3) (4) - = 53x + 2. 5x - 3. 5 52(2x – 1) 1 = 53x + 2. 5x - 3. 5 54x – 2 1 =5 3x + 2 + x – 3 + 1 – 4x + 2 = 52 1 = 25 1 1.1.2 3x + 3x + 2 3x + 1 = 3x + 3x .32 3x .3 1 = 3x(1 + 32) 3x.3 1 = 10 of/or 3 1 3 __ ___ ___ 1.1.3 4√ 8 + 3√ 18
Premium
Mechatronics II Lab #4 – Velocity and Position Control of a Servomotor Submitted By: ____________________________________________________________ Introduction: This report covers the methods‚ procedures and results of lab #4. During this lab‚ an understanding of the velocity and position control of a servomotor was developed. Matlab-Simulink was used to represent the transfer functions used during this lab. Results: This section of the report goes over the results of the lab questions‚ including
Premium Control theory PID controller Control engineering
Jasmine Revolution ( Tunisia Revolution): On December 17‚ 2010 the protest started in the city of Sidi when a 26 year old fruit and vegetable vendor burned himself in front of municipal office. In following 3 weeks protests continued Ben Ali dismisses the minister of the interior. The move fails to quiet demonstrations. Ben Ali again came up with large concessions on state TV‚ but clashes grew more violent. State of emergency was declared with same ministries which outburst population even greater
Premium Egypt Syria Islamism
country? Should they be? 3. a. Write down driving directions for going from your school to your home with the precision required by an algorithm. b. Write down a recipe for cooking your favorite dish with the precision required by an algorithm. 4. Design an algorithm for computing _√__ for any positive integer n.
Premium Algebra Algorithm Mathematics
Course Syllabus College of Information Systems & Technology ENG/221 Version 5 Technical Writing Fundamentals Copyright © 2011‚ 2010‚ 2009‚ 2008 by University of Phoenix. All rights reserved. Course Description This course covers the fundamentals and best practices of using written communication in business and in the information technologies. Topics include strategies‚ techniques‚ and nuances for producing e-mails‚ memos‚ reports‚ proposals‚ project specifications‚ and user manuals‚ as well
Premium Communication Writing
2013-2014 COURSE HANDOUT (PART-II) Date: 03.08.2013 In addition to part I (General Handout for all courses appended to the time table) this portion gives further specific details regarding the course. Course No. : MATH C241/MATH F211 Course Title : MATHEMATICS - III Instructorincharge : M S RADHAKRISHNAN Instructors : A Ramu‚ M S Radhakrishnan‚ TSL Radhika‚ P K Sahoo‚ K Venkata
Premium Partial differential equation Fourier transform
straight line or curved? • What is the direction of the pattern? • How much do individual points vary from the average pattern? (How strong is the relationship?) • Are there any unusual data points? Copyright ©2011 Brooks/Cole‚ Cengage Learning 4 Direction/Form • Direction: – Two variables have a positive association when the – Two variables have a negative association when the – Two variables have a linear relationship when the Copyright ©2011 Brooks/Cole‚ Cengage Learning
Premium Regression analysis Linear regression Errors and residuals in statistics
Chapter 5 Measures of Central Tendency: Introduction A measure of central tendency is a single value that attempts to describe a set of data by identifying the central position within that set of data. As such‚ measures of central tendency are sometimes called measures of central location. They are also classed as summary statistics. The mean (often called the average) is most likely the measure of central tendency that you are most familiar with‚ but there are others‚ such as the median and the
Premium Standard deviation Arithmetic mean Median
including the Attack PC Use the IP addresses indicated on the network topology page. Select the commands you entered in the Virtual CLI using the mouse and click on the Copy button. Use <Ctrl>V to paste the commands and output results into your Lab Document. ISP_Router>enable ISP_Router#show ip interface brief Interface IP Address OK? Method Status FastEthernet0/0 200.100.0.1 YES NVRAM up FastEthernet1/0 200.100.40.1 YES NVRAM up Serial0/0 200.100.10.1 YES
Premium IP address Internet Protocol Subnetwork