Homework SourseIn a survey conducted in November 2002 of 1400 international
In a survey conducted in November 2002 of 1400 international business travelers concerning in-flight service over the past few years, the following information was obtained:
Comments on Quality of Service | Respondents
Has remained the same from 2 yrs ago | 630
Has diminished over that time frame | 406
Has improved over that time frame | 336
Wasn\'t sure | 28
If a person in the survey is chosen at random, what is the probability that he or she has rated in-flight service as:
Remaining the same or improved over the time frame in question?
Remaining the same or diminished over the time frame in question?
In a survey conducted in November 2002 of 1400 international business travelers concerning in-flight service over the past few years, the following information was obtained:
Comments on Quality of Service | Respondents
Has remained the same from 2 yrs ago | 630
Has diminished over that time frame | 406
Has improved over that time frame | 336
Wasn\'t sure | 28
If a person in the survey is chosen at random, what is the probability that he or she has rated in-flight service as:
Remaining the same or improved over the time frame in question?
Remaining the same or diminished over the time frame in question?
In a survey conducted in November 2002 of 1400 international business travelers concerning in-flight service over the past few years, the following information was obtained:
Comments on Quality of Service | Respondents
Has remained the same from 2 yrs ago | 630
Has diminished over that time frame | 406
Has improved over that time frame | 336
Wasn\'t sure | 28
If a person in the survey is chosen at random, what is the probability that he or she has rated in-flight service as:
Remaining the same or improved over the time frame in question?
Remaining the same or diminished over the time frame in question?
Solution
