ECE 302 Problem Set 9 Fall 2013 The following problems have been selected from the course text. 4.78 In a large collection of wires‚ the length of a wire is X‚ an exponential random variable with mean 5π cm. Each wire is cut to make rings of diameter 1 cm. Find the probability mass function for the number of complete rings produced by each length of wire. 4.85 The exam grades in a certain class have a Gaussian pdf with mean m and standard deviation σ. Find the constants a and b so that
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ACC291 Week 5 Exercises -‐ E13-‐1‚ E14-‐1‚ P13-‐9A‚ P13-‐10A‚ P14-‐2 E13-‐1 A. B. C. D. E. F. G. Financing activities Non-‐cash investing and financing activities Noncash investing and financing activities Financing activities Investing activities Operating activities Operating activities E14-‐1 Blevins Inc Condensed Balance Sheet 2012 Assets Current
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Sampling and Data Collection Plan Amy Nguyen QNT/561 November 3‚ 2014 Dr. Anthony Matias Sampling and Data Collection Plan Population and Size The population would be the customers of Starbucks. The size of the population is 300. Target Population The target population would be the senior‚ middle‚ and young customers of the organization as it would help to find out that how much coffee effect their life. The customers would have more knowledge about the effects of drinking too much coffee daily
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BE 13.8 Vertical analysis (common-size) percentages for Vallejo Company’s sales‚ cost of goods sold‚ and expenses are listed below: VERTICAL ANALYSIS 2012 2011 2010 Sales 100.0% 100.0% 100.0% Cost of goods sold 60.5 62.9 64.8 Expenses 26.0 26.6 27.5 Net Income 13.5 10.5 7.7 Did Vallejo’s net income as a percent of sales increase‚ decrease‚ or remain unchanged over the 3 year period. Provide numerical support for your answer. Sales – Cost of Goods Sold – Expenses = Net Income 100 – 64.8
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ALL ABOUT YOU ACTIVITY BYP19-7 Many of you will someday own your own business. One rapidly growing opportunity is no-frills workout centers. Such centers attract customers who want to take advantage of state-of-the-art fitness equipment but do not need the other amenities of full-service health clubs. One way to own your own fitness business is to buy a franchise. Snap Fitness is a Minnesota-based business that offers franchise opportunities. For a very low monthly fee ($26‚ without an annual contract)
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One- and Two-Sample Tests of Hypothesis‚ Variance‚ and Chi-squared Analysis Problem Sets University of Phoenix Applied Business Research and Statistics QNT 561 August 5‚ 2011 Chapter 10 Exercise Question 31: A new weight-watching company‚ Weight Reducers International‚ advertises that those who join will lose‚ on the average‚ 10 pounds the first two weeks with a standard deviation of 2.8 pounds. A random sample of 50 people who joined the new weight reduction program revealed the mean
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Department Betters Their Workforce QNT/351 September 12‚ 2014 Instructor: David FrancomIntroduction L-3 communications is a great company to be involved in. As challenges arise‚ the HR department goes to work with statistical decision making in order to make the best decision possible. This paper is a reflection of how steps in the decisions making process are being used by L-3‚ and can be used by any company to come up with the right conclusions to help solve problems. L-3 is a leader in their industry
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reasons for sampling. Give an example of each reason for sampling. A sample is a finite part of a statistical population whose properties are studied to gain information about the whole(Webster‚ 1985). When dealing with people‚ it can be defined as a set of respondents(people) selected from a larger population for the purpose of a survey. A population is a group of individuals persons‚ objects‚ or items from which samples are taken for measurement for example a population of presidents or professors
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Practice Text Exercises Karen V. Lawrence‚ Charita Dixon‚ Brian Swift‚ Javon Lewis‚ Cecelia Byrd ACC 561 June 21‚ 2011 Michael T. Bradford Practice Text Exercises Excel 12-59 Allocating Costs Using Direct and Step-Down Methods (p. 584) Goal: Create an Excel spreadsheet to allocate costs using the direct method and the stepdown method. Use the results to answer questions about your findings. Scenario: Antonio Cleaning has asked you to help them determine the best method for allocating
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PROBLEM SET 3 Name: ________________________________________ Problem Set 3 is to be completed by 11:59 p.m. (ET) on Monday of Module/Week 6. 1. Data for the market for graham crackers is shown below. Calculate the elasticity of demand between the following prices. Price of crackers Quantity Demanded (per month) $3 80 $2.5 120 $2 160 $1.5 200 $1 240 $1.00 - $1.50: ___________________________________ $1.50 - $2.00: ___________________________________ $2.00 - $2.50: ___________________________________
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