A group of investors wants to develop a chain of fast-food restaurants. In determining potential costs for each facility‚ they must consider‚ among other expenses‚ the average monthly electric bill. They decide to sample some fast-food restaurants currently operating to estimate the monthly cost of electricity. They want to be 90% confident of their results and want the error of the interval estimate to be no more than $100. They estimate that such bills range from $600 to $2‚500. How large a sample
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classical and empirical probabilities. a. Classical probabilities are based on assumptions; Empirical probabilities are based on observations. b. Classical probabilities do not require an action to take place; Empirical probabilities have to have been “performed”. 2) Gather 16 to 30 coins. Shake and empty bag of coins 10 times and tally up how many head and tails are showing. Number of coins: 20 * Consider the first toss‚ what is the observed probability of tossing a head? Of
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probability questions : 1. A real estate office has been averaging 1.8 sales per day for the past several months. What is the probability that the office will make 4 sales today? .0723 2. A washing machine in a Laundromat breaks down an average of two times per month. What is the probability that the machine will break down more than 28 times in the next year? .1775 3. Flaws occur randomly in a particular fabric with a mean rate of occurance of 1.5 every 5 sqare yards. If you purchase 20 square
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10 marks for analyzing the company’s financial situation. Profitability Analysis We will access to different aspect of return on investment. Firstly‚ return on assets of 17% in Colgate implies that a $1 asset investment generates 17 cents of annual earnings before subtracting after-tax interest. Secondly‚ return on common equity shows 99.73% which means that it earns 99.73 cents annually for each $1 of equity investment. Equity shareholder will look at the return on equity because they want
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Consumer products in China (Colgate Toothpaste) Marketing on regional markets Table of context Introduction 4 PEST Analysis 5 POLITICAL AND LEGAL 5 ECONOMIC 6 SOCIAL 8 TECHNOLOGICAL 9 Consumer Survey China 10 The growing importance of regional differences 10 Cluster map – from city tiers to city clusters 12 Position of Brands 14 Increased Demand for Premium Products 14 Brand loyalty 16 Trust in Big Brands 17 Importance of focus on the Right brand attitudes 17 Customer communication
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positions are filled at random form the 11 finalists‚ what is the probability of selecting: A: 3 females and 2 males? B: 4 females and 1 male? C: 5 females? D: At least 4 females? Problem 2 By examining the past driving records of drivers in a certain city‚ an insurance company has determined the following (empirical) probabilities: [pic] If a driver in this city is selected at random‚ what is the probability that: A: He or she drives less than 10‚000 miles per year or has
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it was difficult to guess events and to consider about the relations between episodes. Honestly‚ I was unimpressed. There are two main characters in the book: John Johnson and Susan Colgate. Firstly‚ Johnson is a successful movie producer. He will make a movie which is named in the novel B movie. Secondly‚ Colgate is a child pageant star. When she was going to United States there was an air crash. Although this accident she survived without scratch. Nevertheless she is a B movie actress that Johnson
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Ans.1: Non-Probability Sampling: When the units of a sample are chosen so that each unit in the population does not have a calculable non-zero probability of being selected in the sample‚ this is called Non-Probability Sampling. Also‚ Non-probability sampling is a sampling technique where the samples are gathered in a process that does not give all the individuals in the population equal chances of being selected. In contrast with probability sampling‚ non-probability sample is not a product
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The Collier Encyclopedia’s definition for probability is the concern for events that are not certain and the reasonableness of one expectation over another. These expectations are usually based on some facts about past events or what is known as statistics. Collier describes statistics to be the science of the classification and manipulation of data in order to draw inferences. Inferences here can be read to mean expectations‚ leading to the conclusion that the two go hand in hand in accomplishing
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Probability Distribution Memo To: Howard Gray‚ CEO; Jean Dubois‚ VP Mechanical Watch Division; Uma Gardner‚ VP Production; Amanda Hamilton‚ VP Marketing After identifying the business problem of falling sales and an increase in rejections by the Swiss Official Chronometer Control‚ conducting a study for research will prove to identify a solution. Researchers performed a study of a sample population of 500 people. The study reveals 60% of the watches purchased are certified and the average
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