Marks: 1 Assume that X has a normal distribution‚ and find the indicated probability. The mean is μ = 60.0 and the standard deviation is σ = 4.0. Find the probability that X is less than 53.0. Choose one answer. a. 0.5589 b. 0.0401 c. 0.9599 d. 0.0802 Question2 Marks: 1 Use the given degree of confidence and sample data to find a confidence interval for the population standard deviation. Assume that the population has a normal distribution. Weights of eggs: 95% confidence;
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COMP 211 DATA AND SYSTEM MODELING (PROB/STAT) Spring 2012 Assignment #2 Due: Monday‚ 5pm‚ 4/16/2012 Total points: 200 (each question 20 points) Please submit a softcopy (in PDF format) of your assignment to WebCT before the deadline. Late penalty: within 24 hours after the deadline: ‐20%; after 24 hours: 0 point. Question 1: [20 points] A film-coating process produces films whose thickness are normally distributed with a mean of 110 microns and a standard deviation of 10 microns. For a certain application
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probably not attributable to chance is: (Points : 1) | Type I error Type II error Statistical significance In the semi-quartile range | 5. A score that is likely to fall into the middle 68% of scores of a normal distribution will fall inside these values: (Points : 1) | . +/- 3 standard deviations +/- 2 standard deviations +/- 1 standard deviation semi-quartile range | 6. It is important to assess the magnitude or strength of
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appraisal based on a forced distribution system: its drawbacks and remedies Rachana Chattopadhayay International Management Institute‚ Kolkata‚ India‚ and Anil Kumar Ghosh Theoretical Statistics and Mathematics Unit‚ Indian Statistical Institute‚ Kolkata‚ India Performance appraisal based on a FDS 881 Received 8 August 2011 Revised 29 January 2012 1 May 2012 Accepted 24 June 2012 Abstract Purpose – Performance appraisal based on a forced distribution system (FDS) is widely used
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(2) Jan 2001 3) A fair six-sided die is rolled. The random variable Y represents the score on the uppermost‚ face. (a) Write down the probability function of Y. (b) State the name of the distribution of Y. (2) (1) Find the value of (c) E(6Y + 2)‚ (d) Var(4Y – 2).
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the five-number summary and the mean and standard deviation of the data. C. Describe the distribution of the data‚ citing both the plots and the summary statistics found in questions 1 and 2. AP Statistics Exam Review Topic II: Normal Distribution [pic] [pic] [pic] [pic] [pic] [pic] [pic] [pic] [pic] FREE RESPONSE A set of 2‚000 measurements had a symmetric‚ mound-shaped distribution. The mean is 5.3 and the standard deviation is 0.7. Determine an interval that contains
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Special Probability Distributions Chapter 8 Ibrahim Bohari bibrahim@preuni.unimas.my LOGO Binomial Distribution Binomial Distribution In an experiment of n independent trials‚ where p is a the probability of a successful outcome q=1-p is the probability that the outcome is a failure If X is a random variable denoting the number of successful outcome‚ the probability function of X is given P X r nCr p r q nr Where q=1-p r=0‚1‚2‚3‚….. X~B(n‚p) The n trials
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Inditex is one of the world’s largest fashion retailers‚ welcoming shoppers at its eight store formats -Zara‚ Pull & Bear‚ Massimo Dutti‚ Bershka‚ Stradivarius‚ Oysho‚ Zara Home and Uterqüe - boasting 6.104 stores in 86 markets. The Inditex Group is made up of more than 100 companies operating in textile design‚ manufacturing and distribution. The group’s success and its unique business model‚ based on innovation and flexibility‚ have made Inditex one of the biggest fashion retailers in the
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founded in 1975 by Amancio Ortega in Spain. Trendy clothing brand Zara is known around the world for dressing men‚ women and children in a sexy retail environment that feels a lot more expensive and exclusive than it is. Truly a global brand‚ Zara has hundreds of retail locations everywhere from Abu Dhabi to Uruguay and is the largest division of Inditex‚ one of the largest fashion retail groups worldwide. It is claimed that Zara needs just two weeks to develop a new product and get it to stores
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GEMA 5400 | Brunswick Distribution Inc | Case Analysis | | | | Table of Contents Introduction ………………………………………………………………..1 Executive Summary ……………………………………………………2 Application and Analysis ……………………………………………..3 Literature Review………………………………………………………….4 Conclusion……………………………………………………………………..5 Bibliography…………………………………………………………………..6 Appendix…………………………………………………………………………7 INTRODUCTION Brunswick Distribution started as a small distribution company 10 years ago when
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