The US Department of Transportation maintains statistics for consumer complaints per 100,000 airline passengers. In the...
The U.S. Department of Transportation maintains statistics for mishandled bags per 1,000 airline passengers. In February, XYZ airlines mishandled 4.05 bags per 1,000 passengers. Assume Poisson distribution. What is the probability that in the next 1,000 passengers, XYZ will have no more than ten mishandled bags? 0.982 0.653 0.997 0.014
The U.S. Department of Transportation maintains statistics for mishandled bags per 1,000 airline passengers. In February, XYZ airlines mishandled 4.05 bags per 1,000 passengers. Assume Poisson distribution. What is the probability that in the next 1,000 passengers, XYZ will have no mishandled bags? 0.017 0.983 0.129 0.5
The U.S. Department of Transportation maintains statistics for mishandled bags per 1,000 airline passengers. In February, XYZ airlines mishandled 4.05 bags per 1,000 passengers. Assume Poisson distribution. What is the probability that in the next 1,000 passengers, XYZ will have at least five mishandled bags? 0.299 0.381 0.415 0.687
11) (7 pts) An airline's public relations department says that the airline rarely loses passengers' luggage. It further claims that on those occasions when luggage is lost, 88% is recovered and delivered to its owner within 24 hours. A consumer group who surveyed a large number of air travelers found that only 132 out of 160 people who lost luggage on that airline were reunited with the missing items by the next day. At the 5% level of significance, do...
the us department of transportation reports that there are an average of 4 car crashes per minute between the hours of 3 and 6 pm the number of crashes per minute is poisson distributed. a) what is the probability of there being 0 crashes on any one minute period between 3 pm and 6 pm b) what is the probability there are 3 or more crashes in any given 1 minute period between 3 ad 6? c) what is standard...
On-time arrivals, lost baggage, and customer complaints are three measures that are typically used to measure the quality of service being offered by airlines. Suppose that the following values represent the on-time arrival percentage, amount of lost baggage, and customer complaints for 10 U.S. airlines. Airline On-Time Arrivals (%) Mishandled Baggage per 1,000 Passengers Customer Complaints per 1,000 Passengers Virgin America 83.5 0.87 1.50 JetBlue 79.1 1.88 0.79 AirTran Airways 87.1 1.58 0.91 Delta Air Lines 86.5 2.10 0.73 Alaska...
The following table shows the percentage of on-time arrivals, the number of mishandled baggage reports per 1,000 passengers, and the number of customer complaints per 1,000 passengers for 10 airlines. Arrivals On-Time per 1,000 Passengers per 1.000 Passengers Airline Airline 1 83.3 0.88 1.57 Airline 2 9.3 1.86 0.86 Airline 3 87.3 1.67 0.99 86.3 2.12 0.75 Airline 4 Airline 5 87.5 2.89 0.47 Airline 6 77.7 2.29 1.07 Airline 7 3.19 83.1 0.24 Airline 8 2.10 86.3 1.81 Airline...
Case 34 Emirates Airline Emirates Airline was one of the three Middle East carriers that were singled out by the largest US airlines in the report that was released on March 5, 2015. The report charged that that the flagship airline of Dubai, along with Etihad Airways and Qatar Airways, had received over $42 billion in government subsidies and tax breaks since 2004. Claiming that this gave an unfair advantage to these state-owned airlines, the US airlines demanded that the...
EXERCISING ESSENTIAL STATISTICS 1. The department of transportation in a state government range for each office. Discuss the meaning of each of these performance measures for the offices. has four vehicle registration offices in a metropolitan area. The department recently conducted a series of studies to determine the number of mistakes made in issuing or renewing driver's licenses (an outcome measure). Twelve tests were conducted in each of these four offices, and the results are shown in Tablew9 Table w9.1...
The U.S. Department of Transportation, National Highway Traffic Safety Administration, reported that 77% of all fatally injured automobile drivers were intoxicated. A random sample of 28 records of automobile driver fatalities in Kit Carson County, Colorado, showed that 14 involved an intoxicated driver. Do these data indicate that the population proportion of driver fatalities related to alcohol is less than 77% in Kit Carson County? Use α = 0.01. Solve the problem using both the traditional method and the P-value...