Statistics: Informed Decisions Using Data; Student Solutions Manual; My StatLab Glue-in Access Card; Sticker for Glue-In Packages (5th Edition)
5th Edition
ISBN: 9780134647791
Author: Michael Sullivan III
Publisher: PEARSON
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Chapter 5.3, Problem 6AYU
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(c) Because logistic regression predicts probabilities of outcomes, observations used to build a logistic regression model need not be independent.
A. false: all observations must be independent
B. true
C. false: only observations with the same outcome need to be independent
I ANSWERED: A. false: all observations must be independent.
(This was marked wrong but I have no idea why. Isn't this a basic assumption of logistic regression)
Business discuss
Spam filters are built on principles similar to those used in logistic regression. We fit a probability that each message is spam or not spam. We have several variables for each email. Here are a few: to_multiple=1 if there are multiple recipients, winner=1 if the word 'winner' appears in the subject line, format=1 if the email is poorly formatted, re_subj=1 if "re" appears in the subject line. A logistic model was fit to a dataset with the following output:
Estimate
SE
Z
Pr(>|Z|)
(Intercept)
-0.8161
0.086
-9.4895
0
to_multiple
-2.5651
0.3052
-8.4047
0
winner
1.5801
0.3156
5.0067
0
format
-0.1528
0.1136
-1.3451
0.1786
re_subj
-2.8401
0.363
-7.824
0
(a) Write down the model using the coefficients from the model fit.log_odds(spam) = -0.8161 + -2.5651 + to_multiple + 1.5801 winner + -0.1528 format + -2.8401 re_subj(b) Suppose we have an observation where to_multiple=0, winner=1, format=0, and re_subj=0. What is the predicted probability that this message is spam?…
Chapter 5 Solutions
Statistics: Informed Decisions Using Data; Student Solutions Manual; My StatLab Glue-in Access Card; Sticker for Glue-In Packages (5th Edition)
Ch. 5.1 - 1. What is the probability of an event that is...Ch. 5.1 - 2. What does it mean for an event to be unusual?...Ch. 5.1 - Prob. 3AYUCh. 5.1 - Prob. 4AYUCh. 5.1 - 5. In probability, a(n) _____ is any process that...Ch. 5.1 - Prob. 6AYUCh. 5.1 - 7. Verify that the table in the next column is a...Ch. 5.1 - Prob. 8AYUCh. 5.1 - 9. Why is the following not a probability...Ch. 5.1 - Prob. 10AYU
Ch. 5.1 - 11. Which of the following numbers could be the...Ch. 5.1 - 12. Which of the following numbers could be the...Ch. 5.1 - 13. According to Nate Silver, the probability of a...Ch. 5.1 - 14. In seven-card stud poker, a player is dealt...Ch. 5.1 - 15. Suppose that you toss a coin 100 times and get...Ch. 5.1 - 16. Suppose that you roll a die 100 times and get...Ch. 5.1 - 17. Bob is asked to construct a probability model...Ch. 5.1 - 18. Blood Types A person can have one of four...Ch. 5.1 - 19. If a person rolls a six-sided die and then...Ch. 5.1 - 20. If a basketball player shoots three free...Ch. 5.1 - 21. According to the U.S. Department of Education,...Ch. 5.1 - 22. According to the American Veterinary Medical...Ch. 5.1 - 23. Compute the probability of the event E = {1,...Ch. 5.1 - 24. Compute the probability of the event F = { 3,...Ch. 5.1 - 25. Compute the probability of the event E = "an...Ch. 5.1 - 26. Compute the probability of the event F = "an...Ch. 5.1 - 27. Play Sports? A survey of 500 randomly selected...Ch. 5.1 - 28. Volunteer? In a survey of 1100 female adults...Ch. 5.1 - 29. Home Runs The Wall Street Journal regularly...Ch. 5.1 - 30. Planting Tulips A bag of 100 tulip bulbs...Ch. 5.1 - 31. Roulette In the game of roulette, a wheel...Ch. 5.1 - 32. Birthdays Exclude leap years from the...Ch. 5.1 - 33. Genetics A gene is composed of two alleles,...Ch. 5.1 - 34. More Genetics In Problem 33, we learned that...Ch. 5.1 - 35. College Survey In a national survey conducted...Ch. 5.1 - 36. College Survey In a national survey conducted...Ch. 5.1 - 37. Larceny Theft A police officer randomly...Ch. 5.1 - 38. Multiple Births The following data represent...Ch. 5.1 - In Problems 39–42, use the given table, which...Ch. 5.1 - In Problems 39–42, use the given table, which...Ch. 5.1 - In Problems 39–42, use the given table, which...Ch. 5.1 - In Problems 39–42, use the given table, which...Ch. 5.1 - 43. Going to Disney World John, Roberto, Clarice,...Ch. 5.1 - 44. Six Flags In 2011, Six Flags St. Louis had 10...Ch. 5.1 - 45. Barry Bonds On October 5, 2001, Barry Bonds...Ch. 5.1 - 46. Rolling a Die
(a) Roll a single die 50 times,...Ch. 5.1 - 47. Simulation Use a graphing calculator or...Ch. 5.1 - 48. Classifying Probability Determine whether the...Ch. 5.1 - 49. Checking for Loaded Dice You suspect a 6-sided...Ch. 5.1 - Prob. 50AYUCh. 5.1 - Prob. 51AYUCh. 5.1 - Prob. 52AYUCh. 5.1 - Prob. 53AYUCh. 5.1 - Prob. 54AYUCh. 5.1 - Prob. 55AYUCh. 5.1 - Prob. 56AYUCh. 5.1 - Prob. 57AYUCh. 5.1 - Prob. 58AYUCh. 5.1 - Prob. 59AYUCh. 5.1 - Prob. 60AYUCh. 5.1 - Prob. 61AYUCh. 5.2 - 1. What does it mean when two events are...Ch. 5.2 - 2. If E and F are disjoint events, then P(E or F)...Ch. 5.2 - 3. If E and F are not disjoint events, then P(E or...Ch. 5.2 - Prob. 4AYUCh. 5.2 - In Problems 5–12, a probability experiment is...Ch. 5.2 - In Problems 5–12, a probability experiment is...Ch. 5.2 - In Problems 5–12, a probability experiment is...Ch. 5.2 - In Problems 5–12, a probability experiment is...Ch. 5.2 - In Problems 5–12, a probability experiment is...Ch. 5.2 - Prob. 10AYUCh. 5.2 - In Problems 5–12, a probability experiment is...Ch. 5.2 - In Problems 5–12, a probability experiment is...Ch. 5.2 - In Problems 13–18, find the probability of the...Ch. 5.2 - In Problems 13–18, find the probability of the...Ch. 5.2 - In Problems 13–18, find the probability of the...Ch. 5.2 - Prob. 16AYUCh. 5.2 - In Problems 13–18, find the probability of the...Ch. 5.2 - Prob. 18AYUCh. 5.2 - 19. If P(E) = 0.60, P(E or F) = 0.85, and P(E and...Ch. 5.2 - Prob. 20AYUCh. 5.2 - In Problems 21–24, a golf ball is selected at...Ch. 5.2 - Prob. 22AYUCh. 5.2 - In Problems 21–24, a golf ball is selected at...Ch. 5.2 - In Problems 21–24, a golf ball is selected at...Ch. 5.2 - 25. Weapon of Choice The following probability...Ch. 5.2 - 26. Family Structure The following probability...Ch. 5.2 - Prob. 27AYUCh. 5.2 - Prob. 28AYUCh. 5.2 - 29. Medicare Fines In an effort to reduce the...Ch. 5.2 - 30. Housing The following data represents the...Ch. 5.2 - 31. A Deck of Cards A standard deck of cards...Ch. 5.2 - 32. A Deck of Cards A standard deck of cards...Ch. 5.2 - 33. Birthdays Exclude leap years from the...Ch. 5.2 - Prob. 34AYUCh. 5.2 - Prob. 35AYUCh. 5.2 - Prob. 36AYUCh. 5.2 - Prob. 37AYUCh. 5.2 - 38. Getting to Work According to the U.S. Census...Ch. 5.2 - 39. Cigar Smoking The data in the following table...Ch. 5.2 - 40. Working Couples A guidance counselor at a...Ch. 5.2 - Prob. 41AYUCh. 5.2 - 42. Social Media Harris Interactive conducted a...Ch. 5.2 - Prob. 43AYUCh. 5.2 - Prob. 44AYUCh. 5.2 - Prob. 45AYUCh. 5.2 - Prob. 46AYUCh. 5.3 - 1. Two events E and F are ______ if the occurrence...Ch. 5.3 - Prob. 2AYUCh. 5.3 - Prob. 3AYUCh. 5.3 - Prob. 4AYUCh. 5.3 - Prob. 5AYUCh. 5.3 - 6. Suppose events E and F are disjoint. What is...Ch. 5.3 - 7. Determine whether the events E and F are...Ch. 5.3 - 8. Determine whether the events E and F are...Ch. 5.3 - 9. Suppose that events E and F are independent,...Ch. 5.3 - 10. Suppose that events E and F are independent,...Ch. 5.3 - 11. Flipping a Coin What is the probability of...Ch. 5.3 - 12. Rolling a Die What is the probability of...Ch. 5.3 - 13. Southpaws About 13% of the population is...Ch. 5.3 - 14. Double Jackpot Shawn lives near the border of...Ch. 5.3 - 15. False Positives The ELISA is a test to...Ch. 5.3 - 16. Christmas Lights Christmas lights are often...Ch. 5.3 - 17. Life Expectancy The probability that a...Ch. 5.3 - 18. Life Expectancy The probability that a...Ch. 5.3 - 19. Derivatives In finance, a derivative is a...Ch. 5.3 - 20. Quality Control Suppose that a company selects...Ch. 5.3 - Prob. 21AYUCh. 5.3 - 22. Reliability For a parallel structure of...Ch. 5.3 - 23. Reliability and Redundancy, Part II See...Ch. 5.3 - 24. Cold Streaks Players in sports are said to...Ch. 5.3 - 25. Bowling Suppose that Ralph gets a strike when...Ch. 5.3 - Prob. 26AYUCh. 5.3 - 27. Defense System Suppose that a satellite...Ch. 5.3 - Prob. 28AYUCh. 5.3 - 29. Weight Gain and Gender According to the...Ch. 5.3 - 30. Stocks Suppose your financial advisor...Ch. 5.3 - 31. Betting on Sports According to a Gallup Poll,...Ch. 5.3 - Prob. 32AYUCh. 5.3 - Prob. 33AYUCh. 5.3 - Prob. 34AYUCh. 5.4 - 1. The notation P(F|E) means the probability of...Ch. 5.4 - 2. If P(E) = 0.6 and P(E | F) = 0.34, are events E...Ch. 5.4 - 3. Suppose that E and F are two events and that...Ch. 5.4 - 4. Suppose that E and F are two events and that...Ch. 5.4 - 5. Suppose that E and F are two events and that...Ch. 5.4 - 6. Suppose that E and F are two events and that...Ch. 5.4 - 7. Suppose that E and F are two events and that...Ch. 5.4 - 8. Suppose that E and F are two events and that...Ch. 5.4 - 9. According to the U.S. Census Bureau, the...Ch. 5.4 - 10. The probability that a randomly selected...Ch. 5.4 - 11. Drawing a Card Suppose that a single card is...Ch. 5.4 - 12. Drawing a Card Suppose that a single card is...Ch. 5.4 - 13. Rainy Days For the month of June in the city...Ch. 5.4 - 14. Cause of Death According to the U.S. National...Ch. 5.4 - 15. High School Dropouts According to the U.S....Ch. 5.4 - 16. Income by Region According to the U.S. Census...Ch. 5.4 - 17. Made in America In a recent Harris Poll, a...Ch. 5.4 - 18. Social Media Adult Americans (18 years or...Ch. 5.4 - 19. Driver Fatalities The following data represent...Ch. 5.4 - 20. Speeding Tickets Use the results of Problem 44...Ch. 5.4 - 21. Acceptance Sampling Suppose that you just...Ch. 5.4 - 22. Committee A committee consisting of four women...Ch. 5.4 - 23. Suppose that two cards are randomly selected...Ch. 5.4 - 24. Suppose that two cards are randomly selected...Ch. 5.4 - 25. Board Work This past semester, I had a small...Ch. 5.4 - 26. Party My wife has organized a monthly...Ch. 5.4 - 27. Playing Music on Random Setting Suppose that a...Ch. 5.4 - 28. Packaging Error Because of a manufacturing...Ch. 5.4 - 29. Planting Tulips A bag of 30 tulip bulbs...Ch. 5.4 - 30. Golf Balls The local golf store sells an...Ch. 5.4 - 31. Smokers According to the National Center for...Ch. 5.4 - 32. Multiple Jobs According to the U.S. Bureau of...Ch. 5.4 - 33. The Birthday Problem Determine the probability...Ch. 5.4 - 34. The Birthday Problem Using the procedure given...Ch. 5.4 - 35. Teen Communication The following data...Ch. 5.4 - 36. Party Affiliation The following data represent...Ch. 5.4 - Prob. 37AYUCh. 5.4 - Prob. 38AYUCh. 5.4 - Prob. 39AYUCh. 5.4 - Prob. 40AYUCh. 5.4 - Prob. 41AYUCh. 5.4 - Prob. 42AYUCh. 5.4 - 43. Let's Make a Deal In 1991, columnist Marilyn...Ch. 5.5 - 1. A ______ is an ordered arrangement of r objects...Ch. 5.5 - 2. A ______ is an arrangement of r objects chosen...Ch. 5.5 - Prob. 3AYUCh. 5.5 - Prob. 4AYUCh. 5.5 - Prob. 5AYUCh. 5.5 - Prob. 6AYUCh. 5.5 - Prob. 7AYUCh. 5.5 - Prob. 8AYUCh. 5.5 - In Problems 5–10, find the value of each...Ch. 5.5 - Prob. 10AYUCh. 5.5 - In Problems 11–18, find the value of each...Ch. 5.5 - Prob. 12AYUCh. 5.5 - Prob. 13AYUCh. 5.5 - Prob. 14AYUCh. 5.5 - Prob. 15AYUCh. 5.5 - Prob. 16AYUCh. 5.5 - Prob. 17AYUCh. 5.5 - Prob. 18AYUCh. 5.5 - In Problems 19–26, find the value of each...Ch. 5.5 - Prob. 20AYUCh. 5.5 - Prob. 21AYUCh. 5.5 - Prob. 22AYUCh. 5.5 - In Problems 19–26, find the value of each...Ch. 5.5 - Prob. 24AYUCh. 5.5 - Prob. 25AYUCh. 5.5 - Prob. 26AYUCh. 5.5 - Prob. 27AYUCh. 5.5 - Prob. 28AYUCh. 5.5 - Prob. 29AYUCh. 5.5 - Prob. 30AYUCh. 5.5 - 31. Clothing Options A man has six shirts and four...Ch. 5.5 - Prob. 32AYUCh. 5.5 - Prob. 33AYUCh. 5.5 - Prob. 34AYUCh. 5.5 - 35. Traveling Salesperson A salesperson must...Ch. 5.5 - Prob. 36AYUCh. 5.5 - Prob. 37AYUCh. 5.5 - 38. Stocks on the NASDAQ Companies whose stocks...Ch. 5.5 - 39. Garage Door Code Outside a home there is a...Ch. 5.5 - 40. Social Security Numbers A Social Security...Ch. 5.5 - 41. User Names Suppose that a local area network...Ch. 5.5 - Prob. 42AYUCh. 5.5 - Prob. 43AYUCh. 5.5 - Prob. 44AYUCh. 5.5 - Prob. 45AYUCh. 5.5 - Prob. 46AYUCh. 5.5 - 47. Forming a Committee Four members from a...Ch. 5.5 - Prob. 48AYUCh. 5.5 - 49. Lottery A lottery exists where balls numbered...Ch. 5.5 - Prob. 50AYUCh. 5.5 - Prob. 51AYUCh. 5.5 - Prob. 52AYUCh. 5.5 - Prob. 53AYUCh. 5.5 - Prob. 54AYUCh. 5.5 - Prob. 55AYUCh. 5.5 - Prob. 56AYUCh. 5.5 - 57. Landscape Design A golf-course architect has...Ch. 5.5 - 58. Starting Lineup A baseball team consists of...Ch. 5.5 - Prob. 59AYUCh. 5.5 - Prob. 60AYUCh. 5.5 - 61. Selecting a Jury The grade appeal process at a...Ch. 5.5 - Prob. 62AYUCh. 5.5 - Prob. 63AYUCh. 5.5 - Prob. 64AYUCh. 5.5 - Prob. 65AYUCh. 5.5 - Prob. 66AYUCh. 5.5 - Prob. 67AYUCh. 5.5 - Prob. 68AYUCh. 5.5 - Prob. 69AYUCh. 5.5 - Prob. 70AYUCh. 5.5 - Prob. 71AYUCh. 5.6 - 1. What is the difference between a permutation...Ch. 5.6 - Prob. 2AYUCh. 5.6 - Prob. 3AYUCh. 5.6 - Prob. 4AYUCh. 5.6 - Prob. 5AYUCh. 5.6 - Prob. 6AYUCh. 5.6 - Prob. 7AYUCh. 5.6 - Prob. 8AYUCh. 5.6 - In Problems 8 and 9, find the probability of the...Ch. 5.6 - Prob. 10AYUCh. 5.6 - Prob. 11AYUCh. 5.6 - Prob. 12AYUCh. 5.6 - Prob. 13AYUCh. 5.6 - Prob. 14AYUCh. 5.6 - 15. Suppose that E and F are two events and P(E) =...Ch. 5.6 - Prob. 16AYUCh. 5.6 - Prob. 17AYUCh. 5.6 - Prob. 18AYUCh. 5.6 - Prob. 19AYUCh. 5.6 - 20. Starting Lineups Payton's futsal team consists...Ch. 5.6 - Prob. 21AYUCh. 5.6 - 22. Marijuana Use According to the Statistical...Ch. 5.6 - Prob. 23AYUCh. 5.6 - Prob. 24AYUCh. 5.6 - Prob. 25AYUCh. 5.6 - Prob. 26AYUCh. 5.6 - Prob. 27AYUCh. 5.6 - Prob. 28AYUCh. 5.6 - 29. Essay Test An essay test in European History...Ch. 5.6 - Prob. 30AYUCh. 5.6 - Prob. 31AYUCh. 5.6 - Prob. 32AYUCh. 5 - Prob. 1RECh. 5 - Prob. 2RECh. 5 - Prob. 3RECh. 5 - Prob. 4RECh. 5 - Prob. 5RECh. 5 - Prob. 6RECh. 5 - Prob. 7RECh. 5 - Prob. 8RECh. 5 - Prob. 9RECh. 5 - Prob. 10RECh. 5 - 11. Suppose that P(E and F) = 0.35 and P(F) = 0.7....Ch. 5 - Prob. 12RECh. 5 - Prob. 13RECh. 5 - 14. Traffic Fatalities In 2013, there were 32,719...Ch. 5 - Prob. 15RECh. 5 - 16. Gestation Period versus Weight The following...Ch. 5 - 17. Who Do You Trust? According to the National...Ch. 5 - Prob. 18RECh. 5 - Prob. 19RECh. 5 - Prob. 20RECh. 5 - Prob. 21RECh. 5 - Prob. 22RECh. 5 - Prob. 23RECh. 5 - Prob. 24RECh. 5 - Prob. 25RECh. 5 - Prob. 26RECh. 5 - Prob. 27RECh. 5 - Prob. 28RECh. 5 - Prob. 29RECh. 5 - Prob. 30RECh. 5 - Prob. 31RECh. 5 - Prob. 32RECh. 5 - 1. Which among the following numbers could be the...Ch. 5 - For Problems 2–4, let the sample space be
S =...Ch. 5 - For Problems 2–4, let the sample space be
S =...Ch. 5 - Prob. 4CTCh. 5 - Prob. 5CTCh. 5 - Prob. 6CTCh. 5 - Prob. 7CTCh. 5 - Prob. 8CTCh. 5 - Prob. 9CTCh. 5 - Prob. 10CTCh. 5 - Prob. 11CTCh. 5 - Prob. 12CTCh. 5 - Prob. 13CTCh. 5 - Prob. 14CTCh. 5 - Prob. 15CTCh. 5 - Prob. 16CTCh. 5 - Prob. 17CTCh. 5 - Prob. 18CTCh. 5 - Prob. 19CTCh. 5 - Prob. 20CTCh. 5 - Prob. 1CSCh. 5 - Prob. 2CSCh. 5 - Prob. 3CSCh. 5 - Prob. 4CSCh. 5 - Prob. 5CSCh. 5 - Prob. 6CSCh. 5 - Prob. 7CSCh. 5 - Prob. 8CSCh. 5 - Prob. 9CSCh. 5 - Prob. 10CSCh. 5 - Prob. 11CSCh. 5 - Prob. 12CSCh. 5 - Prob. 13CSCh. 5 - Prob. 14CSCh. 5 - Prob. 15CSCh. 5 - Prob. 16CSCh. 5 - Prob. 17CSCh. 5 - Prob. 18CSCh. 5 - Prob. 19CSCh. 5 - Prob. 20CSCh. 5 - Prob. 21CSCh. 5 - Prob. 22CSCh. 5 - Prob. 23CSCh. 5 - Prob. 24CS
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Publisher:W. H. Freeman
Introduction to the Practice of Statistics
Statistics
ISBN:9781319013387
Author:David S. Moore, George P. McCabe, Bruce A. Craig
Publisher:W. H. Freeman
Probability & Statistics (28 of 62) Basic Definitions and Symbols Summarized; Author: Michel van Biezen;https://www.youtube.com/watch?v=21V9WBJLAL8;License: Standard YouTube License, CC-BY
Introduction to Probability, Basic Overview - Sample Space, & Tree Diagrams; Author: The Organic Chemistry Tutor;https://www.youtube.com/watch?v=SkidyDQuupA;License: Standard YouTube License, CC-BY