678 CHAPTER 11 Probability 44. Getting Hired The odds against Ishaq getting hired for a job are 3 : 8. Determine the probability a) Ishaq gets hired. 8 11 b) Ishaq does not get hired. 3 11 45. Winning an Election The odds in favor of Wendy winning an election are 7:4. Determine the probability that a) Wendy wins. 7 11 b) Wendy does not win. 4 11 46. Selling a Motorcycle The odds in favor of Sam selling his motorcycle are 3:10. Determine the probability that Sam will a) sell his motorcycle. 3 13 b) not sell his motorcycle. 10 13 47. Super Bowl Odds The odds against the Jacksonville Jaguars winning the Super Bowl are 100:1. Determine the probability that the Jaguars a) win the Super Bowl. 1 101 b) do not win the Super Bowl. 100 101 48. Stanley Cup Odds The odds against the Minnesota Wild winning the Stanley Cup are 17:4. Determine the probability that the Wild a) win the Stanley Cup. 4 21 b) do not win the Stanley Cup. 17 21 49. Four-Minute Mile The odds in favor of Hicham El Guerrouj running a mile race in less than four minutes are 197:2. Determine the probability that Hicham El Guerrouj runs the mile race in a) less than four minutes. 197 199 b) four minutes or greater. 2 199 50. Bowling a Strike The odds in favor of Aleta bowling a strike in her next frame are 23:2. Determine the probability that in her next frame Aleta a) bowls a strike. 23 25 b) does not bowl a strike. 2 25 51. Diabetes Approximately 11% of Americans have diabetes. If an American is randomly selected, determine the a) odds against the person having diabetes. 89 : 11 b) odds in favor of the person having diabetes. 11 : 89 52. Hurricane In a given year, there is a 27% chance that a major hurricane hits Florida. Determine a) odds in favor of a major hurricane hitting Florida. 27 : 73 b) odds against a major hurricane hitting Florida. 73 : 27 53. Fixing a Car Suppose that the probability that a mechanic fixes a car correctly is 0.9. Determine the odds against the mechanic fixing a car correctly. 1 : 9 54. Bookcase Assembly Suppose that the probability that all the parts needed to assemble a bookcase are included in the carton is . 7 8 Determine the odds in favor of the carton including all the needed parts. 7 : 1 55. Musical Instruments According to the National Association of Music Merchants, 1 in 4 Americans knows how to play a musical instrument. If an American is randomly selected, determine a) the probability the person knows how to play a musical instrument. 1 4 b) the probability the person does not know how to play a musical instrument. 3 4 c) the odds against the person knowing how to play a musical instrument. 3 : 1 d) the odds in favor of the person knowing how to play a musical instrument. 1 : 3 56. Boats According to Quicknav.com, 1 in 8 American households owns a boat. If an American household is randomly selected, determine a) the probability the household owns a boat. 1 8 b) the probability the household does not own a boat. 7 8 c) the odds against the household owning a boat. 7 : 1 d) the odds in favor of the household owning a boat. 1 : 7 Challenge Problems/Group Activities 57. Horse Racing Racetracks quote the approximate odds against each horse winning on a large board called a tote board. The odds quoted on a tote board for a race with four horses are as follows. Horse Number Odds 2 15:1 3 1:1 4 3:1 5 13:3 Determine the probability of each horse winning the race. * 58. Roulette Observe the roulette wheel illustrated on page 690. If the wheel is spun, determine a) the probability that the ball lands on red. 9 19 b) the odds against the ball landing on red. 10 : 9 *See Instructor Answer Appendix Light and Vision/Shutterstock.
RkJQdWJsaXNoZXIy NjM5ODQ=