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##### GM 533 GM533 GM533 Week 8 Final Exam Tutorial

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1. (TCO D) Lightning Labs provides drug companies and law enforcement agencies with mitochondrial DNA culturing. They claim they can complete the culturing of a mitochondrial DNA sample in less than 16 hours. You are given the following data from a sample. Sample size: 36 Population standard deviation:.75 Sample mean: 15.23 Formulate a hypothesis test to evaluate this claim. 2. (TCO B) The Republican party is interested in studying the number of republicans that might vote in a particular congressional district. Assume that the number of voters is binomially distributed by party affiliation (either republican or not republican). If 10 people show up at the polls, determine the following: 3. (TCO A) Company ABC had sales per month as listed below. Using the Minitab output given, determine: (A) Range (5 points), (B) Median (5 points), and (C) The range of the data that would contain 68% of the results. 3. (TCO A) Company ABC had sales per month as listed below. Using the Minitab output given, determine: (A) Range (5 points), (B) Median (5 points), and (C) The range of the data that would contain 68% of the results. 4. (TCO C, D) Tesla Motors needs to buy axles for their new car. They are considering using Chris Cross Manufacturing as a vendor. Tesla's requirement is that 95% of the axles are 100 cm ? 5 cm. The following data is from a test run from Chris Cross Manufacturing. Should Tesla select them as a vendor? Explain your answer. 5. (TCO D) A PC manufacturer claims that no more than 2% of their machines are defective. In a random sample of 100 machines, it is found that 4.5% are defective. The manufacturer claims this is a fluke of the sample. At a.02 level of significance, test the manufacturer's claim, and explain your answer. 5. (TCO D) A PC manufacturer claims that no more than 5% of their machines are defective. In a random sample of 100 machines, it is found that 8.5% are defective. The manufacturer claims this is a fluke of the sample. At a.02 level of significance, test the manufacturer's claim, and explain your answer. 1. (TCO B) The following table gives the number of Property Crimes by category of crime and geographical region. 1. (TCO B) The following table gives the number of visits to recreational facilities by kind and geographical region. 2. (TCO B, F) The length of time Americans exercise each week is normally distributed with a mean of 15.8 minutes and a standard deviation of 2.2 minutes 2. (TCO B, F) The length of time it takes an experienced hacker to break into your bank account, once he or she has gotten you to download the virus software is normally distributed with a mean of 15.8 minutes and a standard deviation of 2.2 minutes. 3. (TCO C) A random sample of 16 Google managers yields the following information on annual salaries. The sample mean is $79,000, with a sample standard deviation of $6,000. What is the mean salary of all Google managers? What is the 95% confidence interval for the population mean? 1. (TCO E and F) ABC School performed a survey on high school students to determine whether watching more educational programming earned a higher GPA. The analysis revealed the following: 2. (TCO E and F) A national trade association is concerned with increasing competition from foreign companies. They decide, in close consultation with their membership, to evaluate the sales performance of 25 randomly selected U.S. companies, so that all companies can benefit from their collective experience. 2. (TCO E and F) A national trade association is concerned with increasing competition from foreign companies. They decide, in close consultation with their membership, to evaluate the sales performance of 25 randomly selected U.S. companies, so that all companies can benefit from their collective experience.

Paper#79716 | Written in 18-Jul-2015

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