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Question1- Hypothesis Testing and Errors What is a type I error? What is a type II error? For a test at the 95% confidence level, what is alpha?
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I'm drowning in this class, I have read everything related to this weeks work and am still lost. A student has 10 questions that are multiple choice....
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Let's imagine that you are the head of quality control for a company that makes light bulbs.
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a MD public health official is alarmed at the sodium levels in big-chain store burritos. The official goes to a nearby big-chain store and takes a...
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People were polled on how many books they read the previous year. How many subjects are needed to estimate the number of books read the previous year...
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Suppose that $532,000 is to be allocated for advertising, research, and investment in the ratio 8:7:4 . How much money will be allocated for each?
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for each follow question construct 90, 95 and 99 precent confidence intervals for the population meanand state the practical and probabilistic in...
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The odds of losing money on a particular stock is 8 to 2. What is the probability that money will be lost on the stock?
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Suppose that the results of the survey were used to construct seperate 99% confidence intervals for boys and girls.
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Using the sat dataset, fit a model with the total SAT score as the response and expend, salary, ratio and takers as predictors.
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What is the probability of getting the first questions correct and miss the fourth (with five possible answers to each question)?
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In an inertia welding experiment, a sample of 50 welds made with a standard welding method were tested.
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462 Homework 5, Due Monday 10/27 1. The relationship between a y = student height and the heights of a personquot;s mother and father is examined...
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The time it takes an employee to package the components of a certain product is normally distributed with = 9.5 and = 1.5 minutes.
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[Uncertain Scenario - Maximizing the Mean] The potential revenues of all projects are in fact uncertain.
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A company has $1,000,000 to invest in new Ramp;D projects. The company wants to determine what set of projects should be selected.
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A doctor gives a patient a 70% chance of surviving bypass surgery after a heart attack. If the patient survives the surgery, then the patient has a 5...
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looking for question 3 solution of fall 2016 course
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Identify which sampling bias (questionnaire/wording bias, response/nonresponse bias, coverage/frame bias) best describes the following scenarios....
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For a certain income level, the IRS knows that the amounts claimed for Medical Deductions (X1 ), Charitable Contributions (X2 ), and Miscellaneous
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A magician performs the following card trick. She asks a volunteer to secretly select a number between 1 and 10 and deal out that many cards from a...
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Given the optimal solution: X* = 3 and Y* = 7 for the following Linear Programming problem with 4 constraints: MAX 2X + 3Y s. 2X + Y 4 . (1) X + Y...
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150 people were asked what they put in their coffee. 54 said they used cream, 72 said they used sugar, 62 said they did not use cream or sugar.
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Let X1, , Xn be a sample from a normal distribution with 0 mean, and unknown variance = ^2. Assume the prior density of is p() = e^(), gt; 0.
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Assume that a sample is used to estimate a population proportion p. Find the margin of error M. that corresponds to a sample of size 317 with 42%...
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Americans consume an average of 1.64 cups of coffee per day. Assume the variable is normally distributed with a standard deviation of .94 cups.
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Post an example of a practical application of regression analysis.
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What affects 4K Ultra HD Smart TV sales?
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A random sample of 100 computer chips made by a manufacturer were inspected and 8 were found to be defective.
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Which of the following is NOT true about linear programming problems:
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QNT 561 Business amp; Statistics Research Problem Set Quiz 13 questions due today 8/12/2013. Can someone complete?
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Consider this hypothesis test: H 0 : 1 - 2 = 0 H a : 1 - 2 lt; 0 Here 1 is the population-mean of Population 1 and 2 is the population-mean of...
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eed help in getting data and trends that's based on the FBI - uniform crime report , bureau of Justice Statistics, National CrimeVictimization Survey?...
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Microsoft PowerPoint - Lecture9.ppt Pretend we are playing a coin-tossing game.
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Suppose we are interested in bidding on a piece of land and we know one other bidder is interested, The seller announced that the highest bid in...
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Identify the given random variable as being discrete or continuous. The pH level in a shampoo A) Continuous B) Discrete 2. Determine whether the...
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A literature professor decides to give a 15-question true-false quiz to determine who has read an assigned novel.
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The number of claims made by an insured individual in a year is a random variable following a Poisson distribution with unknown mean .
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Section 1.2 on page 7 of the Interactive Statistics discusses the basic philosophy of making decisions in statistics. This philosophy has been a...
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Explain what is meant by the least squares regression line. Does the least squares line always represent a statistically significant relationship
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What is probability sampling and why is it important?
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A student in HSC6911 studied the effect of diabetic disease management on patients' A1C blood test results.
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An IQ test was given to a simple random sample of 75 students from a certain college. The sample mean score was 105. Scores on the test are known to...
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A company has developed a new type of lightbulb and wants to estimate its mean lifetime. A simple random sample of 101 bulbs had a mean lifetime of...
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Can you please help me with this project?
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Will you provide help with the following question in EXCEL, thanks?
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if the average score on an exam is 63 and the standard deviation is 4, find the probibility a person selected at random get between 63 and 67.
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Can you assist with this: Estimate the probability that a randomly selected 21 to 49 year old consumer:
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Statistical methods have emerged as some of the most critical aspects of research work in a contemporary world. It is through statistics that researchers have been able to collect vital dat
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Present national data and trends based on the FBI - Uniform Crime Report (Links to an external site.) Links to an external site.
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