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It is generally believed that nearsightedness affects about 15% of children. A school district gives vision tests to 111 incoming kindergarten...
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Probability values can be used in managerial decision-making to establish a product guarantee, post a comment where you think probability could be
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A sample of 1,108 was used to estimate a proportion with 98% confidence. If p = 0.12 , what was the amount of error?
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Jason wants to perform a two-tailed test for equality between two independent sample proportions. Each sample has at least 10 quot;successesquot;...
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1, 30.8, 31.
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Construct a confidence interval of the population proportion at the given level of confidence. x=120, n=1100, 99% confidence The lower bound of the
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Submit only one Excel file with all your work.
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Anybody please can give me advise on how to solve this; In a study of brain waves during sleep, a sample of 29 college students were randomly
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According to a recent survey of the 21 21 ,000 funeral homes of a certain nation, funeral homes collected an average of $ 6,700 6,700 per...
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Where ranges are given as choices, pick the correct range. For example, if you calculate a probability to be .27, you would pick . If your answer is...
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1. Download data for last 3 years for the DJIA (Dow Jones Industrial Average) and each of the 30 component stocks. Download data from an appropriate financial website such as Google Finance, Yahoo Fin
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Allied Corporation is trying to determine whether to purchase Machine A or B. It has leased the two machines for a month. A random sample of 5...
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In a 21 element sample, the sample mean is equal to xamp;OverBar;=10; the standard error of the mean is equal to sxamp;OverBar;=5. The 95%...
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r = -.43 and the margin of error for 95% confidence is 0.08. What is the 95% confidence interval?
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I want research diabetes type 1 and how to prevent them self ?
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63) One of the major measures of the quality of service provided by an organization is the speed with which it responds to customer complaints.
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Describe what a core competency is and discuss how this concept relates to competitive advantage.
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What is the difference between programmed and non-programmed decisions? Please explain?
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Watch the video titled quot;Descriptive Statistics using 'Data Analysis' tool in Excel,quot; located at https://www.youtube.com/watch?
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Inspection of a random sample of 27 aircraft showed that 16 needed repairs to fix a wiring problem that might compromise safety.
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The Zagat Restaurant Survey provides food, decor, and service ratings for some of the top restaurants across the United States.
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In a random sample of 645 toner cartridges, the mean number of pages a toner cartridge can print is 4300 and the standard deviation is 345 pages.
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Two reinforced concrete buildings A and B are located in a coastal area vulnerable to storm surge.
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In your own words describe your understanding of the definition of probability distribution
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Assume that population means are to be estimated from the samples described. Use the sample results to approximate the margin of error and 95%...
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Customers experiencing technical difficulty with their internet cable hookup may call an 800 number for technical support.
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in a representative sample of 824 coffee growers from Country X, 421 growers were certified to sell to organic coffee markets while 58 growers were...
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A professor at a local university conducted a survey of 127 businesses in a city to determine what motivates small businesses to export their...
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Following are results from a study correlating gross domestic product (GDP) and the Consumer Price Index (CPI) from a group of 16 Asian countries, a
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ion 7 What is the estimated 95% confidence interval (CI) of the proportion of schoolchildren developing nausea and vomiting following holiday parties?...
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Using the given data set, find (a) the sample mean, (b) the sample standard deviation, (c) construct a 98% confidence interval for the population...
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Hello I need to see the work and formulas please Question 5 What is the estimated 95% confidence interval (CI) of the difference in proportions
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) The number of school related extracurricular activities per student are given below: X p(x) 0 0.059 1 0.122 2 0.
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The magnitude of the correlation is indicated by the correlation _____ which can range from -1.00 to +1.
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ake is hoping to be promoted to head pharmacist and make $120,000/year. His current salary is $70,000/year. He thinks he has a 60% chance of being...
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Helleo I need to see how the problems are solved. Question 3 What is the estimated 95% confidence interval (CI) of the average blood vitamin D level
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In a SRS of 80 teenagers, the average number of text messages received per day is found to 50.
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Hello please show the way the problem is worked. Question 1 What is the estimated 95% confidence interval (CI) of the average difference in blood
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A call center tracks the number of complaints received about a road construction project on an important stretch of freeway. The number of...
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1. Download data for last 3 years for the DJIA (Dow Jones Industrial Average) and each of the 30 component stocks. Download data from an appropriate financial website such as Google Finance, Yahoo Fin
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A refrigerator contains 6 apples, 5 oranges, 10 bananas, 3 pears, 7 peaches, 11 plums, and 2 mangos. Imagine now that you put your hand in the...
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Hypothesis Testing and Stock Returns1. Download data for last 1 year for the S&P500 and any 10 of its component stocks. Download data from an appropriate financial website such as Google Finance, Yaho
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This final question requires the group to conduct a search on a successful application of data mining in the public sector and give a brief summary...
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Assuming that each of the 52 cards in an ordinary deck has a probability of 1/52 of being drawn, what is the probability of drawing a jack?
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Q/1 A small grocery store is considering installing an express checkout line. Let X be the number of customers in the regular checkout line.
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The average weight of a package of rolled oats is supposed to be at least 19 ounces. A sample of 18 packages shows a mean of 18.79 ounces with a...
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For the following data calculate the mean and standard deviation for the sample. Then calculate both a 95% and a 99% confidence interval for the...
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She has absolutely no idea as to the percentage of shoppers who would favour this type of shopping.
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Below are the known descriptive statistics of a data set. mean=90, Stdev=20, median=95, max=150, min=5, 35th percentile=30, 75th percentile=125....
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Hi i have a question on hypothesis testing that i need some guidance with.
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