17. The mean cost of domestic airfares in the United States rose to an all-time high of $385 per ticket (Bureau of Transportation Statistics website, November 2, 2012). Airfares were based on the total ticket value, which consisted of the price charged by the airlines plus any additional taxes and fees. Assume domestic airfares are normally distributed with a standard deviation of $110.0 What is the probability that a domestic airfare is $550 or more?.0668 b. What is the probability that a domestic airfare is $250 or less? 0.1093 What is the probability that a domestic airfare is between $300 and $500? ,6325 d. What is the cost for the 3% highest domestic airfares? a. C.

17. The mean cost of domestic airfares in the United States rose to an all-time high of $385 per ticket (Bureau of Transportation Statistics website, November 2, 2012). Airfares were based on the total ticket value, which consisted of the price charged by the airlines plus any additional taxes and fees. Assume domestic airfares are normally distributed with a standard deviation of $110.0 What is the probability that a domestic airfare is $550 or more?.0668 b. What is the probability that a domestic airfare is $250 or less? 0.1093 What is the probability that a domestic airfare is between $300 and $500? ,6325 d. What is the cost for the 3% highest domestic airfares? a. C.

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

See similar textbooks

Similar questions

If the gondola is filled with 25 randomly selected skiers, what is the probability that their mean weight exceeds 140 lbs. The mean is 180 lbs and standard deviation is 44 lbs
The golf scores for a school team were normally distributed with a mean of 68 and a standard deviation of three.Find the probability that a golfer scored between 66 and 70
LightCastle Partners, a Bangladeshi business management consultant, employs a large number of data analysts to analyze the data in a survey project. The time it takes for new data analysts to learn the analysis procedure is known to have a normal distribution with a mean of 99 minutes and a standard deviation of 14 minutes. a. What is the probability that the new data analysts will take more than 103 minutes to learn the analysis procedure? b. What is the probability that the new data analysts will take between 65 to 134 minutes to learn the analysis procedure? c. To maintain employee standars, LightCastle does not hire any analyst who fails to learn the process within a specified time. Therefore, what should be the specified time limit if they wish to retain at most 91.24% of new analysts?
The monthly earnings of computer systems analysts are normally distributed with a mean of $4,300. If the probability that a systems analyst earns a monthly income of more than $6,140 is 0.015, what is the value of the standard deviation of the monthly earnings of the computer systems analysts?
University students' blood pressure can be expected to follow a normal distribution with a mean of 85 mmHG and a standard deviation of 20 mmHG.If a university student is chosen at random, what is the probability that the blood pressure will range from 85 to 90 mmHG?
The NJ Department of Health has reported the average life span of NJ residents is 81 years. If the standard deviation is σ = 4 years, what is the probability of a person living to at least 92 years of age?
The average credit card debt for college seniors is$3262. If the debit is normally distributed with a standard deviation of$1100, find the probability that the senior owes more than $4000.
The probability that a patient recovers from a rare blood disease is 0.4. If 15 people are known to have contracted this disease, find the mean and standard deviation of the number of recoveries among 15 patients.
A single fair die is rolled seven times. Find the mean and standard deviation of the number of times a 3 appears.
3. After being nominated for an MTV Music Award, the probability of winning is 22%. If Ariana Grande has been nominated for five awards, what is the chance that she will win at least one award? How many awards should she expect to win? What is the standard deviation associated with this probability?
Most graduate of Senior High Schools are taking up Batangas State University College Entrance Exam. Scores on the entrance exam are roughly normally distributed with a mean of 527 and a standard deviation of 112. What is the probability of an individual scoring above 500 on the entrance exam? how high must an individual score on the entrance exam in order to score in the highest 5%?