Verify that the following functions are cumulative distribution functions, and determine the probability mass function and the requested probabilities. 3-39. x<1 F(x) = {0.5 Isx<3 (a) P(X< 3) (c) P(1 < X< 2) (d) P(X>2) (b) P(X< 2)
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- The television show CSI: Shoboygan has been successful for many years. That show recently had a share of 19, which means, that among the TV sets in use, 19% were tuned to CSI: Shoboygan. An advertiser wants to verify that 19% share value by conducting its own survey, and a pilot survey begins with 12 households have TV sets in use at the time of a CSI: Shoboygan broadcast.find 4th percentilefor given data 12,25,32,6,42,16,18,19,15,23,24,28,29,45,6,23In a survey of 331 registered voters, 158 of them wished to see mayor waffleskate lose her next election. Find a point estimate for the proportion of registered voters who to see mayor waffleskate defeated.
- A company studied the number of lost-time accidents occurring at its brownsville,Texas, plant. historical records show that 6% of the employees suffered lost-time accidents last year. Management believes that a special safety program will reduce suchaccidents to 5% during the current year. In addition, it estimates that 15% of employeeswho had lost-time accidents last year will experience a lost-time accident during thecurrent year.a. What percentage of the employees will experience lost-time accidents in bothyears?In a survey of 327 registered voters, 167 of them wished to see Mayor Waffleskate lose her next election. Find a point estimate for the proportion of registered voters who wish to see Mayor Waffleskate defeated.Each of three supermarket chains in the Denver area claims to have the lowest overall prices. As part of an investigation study on supermarket advertising, a local television station conducted a study by randomly selecting nine grocery items. Then, on the same day, an intern was sent to each of the three stores to purchase the nine items. From the receipts, the following data were recorded (more question in picture)
- The bureau of Transportation Statistics reports on-time performance for airlines at major u.S. airports. Jetblue, united, and uS Airways share terminal C at boston’s loganAirport. The percentage of on-time flights reported for August 2012 was 76.8% forJetblue, 71.5% for united, and 82.2% for uS Airways ( bureau of Transportation Statisticswebsite, october 2012). Assume that 30% of the flights arriving at terminal C are Jetblueflights, 32% are united flights, and 38% are uS Airways flights.a. Develop a joint probability table with three rows (the airlines) and two columns (ontime and late).b. An announcement is made that Flight 1382 will be arriving at gate 20 of terminal C.What is the probability that Flight 1382 will arrive on time?The bureau of Transportation Statistics reports on-time performance for airlines at major u.S. airports. Jetblue, united, and uS Airways share terminal C at boston’s loganAirport. The percentage of on-time flights reported for August 2012 was 76.8% forJetblue, 71.5% for united, and 82.2% for uS Airways ( bureau of Transportation Statisticswebsite, october 2012). Assume that 30% of the flights arriving at terminal C are Jetblueflights, 32% are united flights, and 38% are uS Airways flights.a. Develop a joint probability table with three rows (the airlines) and two columns (ontime and late).b. An announcement is made that Flight 1382 will be arriving at gate 20 of terminal C.What is the probability that Flight 1382 will arrive on time?c. What is the most likely airline for Flight 1382? What is the probability that Flight 1382is by this airline?Determine whether or not the given procedure results in a binomial distribution. If not, identify which condition is not met. Surveying 83 people to determine which brand of apparel is their favorite.
- A survey of the mathematics faculty at wassamatta university indicates that 9 faculty members are registered democrats and 13 are registered republicans. find the ratio of republicans to democatsThe bureau of Transportation Statistics reports on-time performance for airlines at major u.S. airports. Jetblue, united, and uS Airways share terminal C at boston’s logan Airport. The percentage of on-time flights reported for August 2012 was 76.8% for Jetblue, 71.5% for united, and 82.2% for uS Airways ( bureau of Transportation Statistics website, october 2012). Assume that 30% of the flights arriving at terminal C are Jetblue flights, 32% are united flights, and 38% are uS Airways flights. A. What is the most likely airline for Flight 1382? What is the probability that Flight 1382 is by this airline? B. Suppose that an announcement is made saying that Flight 1382 will now be arriving late. What is the most likely airline for this flight? What is the probability that Flight 1382 is by this airline?The bureau of Transportation Statistics reports on-time performance for airlines at major u.S. airports. Jetblue, united, and uS Airways share terminal C at boston’s logan Airport. The percentage of on-time flights reported for August 2012 was 76.8% for Jetblue, 71.5% for united, and 82.2% for uS Airways ( bureau of Transportation Statistics website, october 2012). Assume that 30% of the flights arriving at terminal C are Jetblue flights, 32% are united flights, and 38% are uS Airways flights. a. Develop a joint probability table with three rows (the airlines) and two columns (ontime and late). b. An announcement is made that Flight 1382 will be arriving at gate 20 of terminal C. What is the probability that Flight 1382 will arrive on time? c. What is the most likely airline for Flight 1382? What is the probability that Flight 1382 is by this airline? d. Suppose that an announcement is made saying that Flight 1382 will now be arriving late. What is the most likely airline for this…