UT Knoxville STAT 201 - Practice Exam 3 - FA13 (17 pages)

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Practice Exam 3 - FA13



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Practice Exam 3 - FA13

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Pages:
17
School:
University of Tennessee
Course:
Stat 201 - Introduction to Statistics
Introduction to Statistics Documents

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Statistics 201 Practice Exam 3 for Spring 2014 From Fall 2013 This practice exam is provided solely for the purpose of familiarizing you with the format and style of the Stat 201 exams There is no explicit or implicit guarantee that the upcoming exam will ask similar questions If you use the practice exam as your only tool to help you prepare for the upcoming exam you most likely will not do well on the exam You should still do the things you would have done if you did not have access to this practice exam such as re read the text go over your class notes re work the online homework problems and look at the list of exam topics provided and make sure that you understand all the concepts listed within it The topic of Decision Trees was on last semester s final exam but was moved to Exam 2 this semester Therefore this practice exam is slightly shorter that what you should expect 1 Note All problems requiring calculations should be reported to THREE decimal places unless stated otherwise 1 Question 1 was a Decision Tree question This topic will not be on Exam 3 2 First USA a major credit card company is planning a promotional offer for their current cardholders The offer will give double airline miles on purchases for the next 6 months if the cardholder goes online and registers for the offer To test the effectiveness of the campaign First USA recently sent out the offer to a random sample of 50 000 cardholders From this random sample 1184 customers registered for the promotional offer i 2 points Two conditions for a confidence interval for a single proportion are the Randomization and 10 conditions which are both met in this instance Name the final condition corresponding to the confidence interval for a single proportion and verify whether or not it is met ii 3 points Regardless of your answer in part i assume all three conditions for a sample proportion are met The central limit theorem says that the sampling distribution for a sample proportion approximates a



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