The table to the right shows the arrival data for two airlines in five cities. Complete parts (a) through (c) below. Destination Los Angeles Phoenix San Diego San Francisco Seattle Total Excelsior Airlines Percentage on-time 90.3% 96.1% 90.3% 89.9% 86.9% ... Number of arrivals 471 247 159 507 2198 3582 Paradise Airlines Percentage on-time 86.5% 94.7% 82.1% 76.6% 75.5% Number of arrivals 889 5299 381 377 223 7169 a. Which airline has the higher percentage of on-time flights to the five cities? Excelsior Airlines has the higher percentage of on-time flights. b. Compute the percentage of on-time flights for the two airlines over all five cities. Over all five cities, Excelsior Airlines had an on-time percentage of % and Paradise Airlines had an on-time percentage of %. (Round to the nearest tenth as needed.)
The table to the right shows the arrival data for two airlines in five cities. Complete parts (a) through (c) below. Destination Los Angeles Phoenix San Diego San Francisco Seattle Total Excelsior Airlines Percentage on-time 90.3% 96.1% 90.3% 89.9% 86.9% ... Number of arrivals 471 247 159 507 2198 3582 Paradise Airlines Percentage on-time 86.5% 94.7% 82.1% 76.6% 75.5% Number of arrivals 889 5299 381 377 223 7169 a. Which airline has the higher percentage of on-time flights to the five cities? Excelsior Airlines has the higher percentage of on-time flights. b. Compute the percentage of on-time flights for the two airlines over all five cities. Over all five cities, Excelsior Airlines had an on-time percentage of % and Paradise Airlines had an on-time percentage of %. (Round to the nearest tenth as needed.)
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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Transcribed Image Text:The table to the right
shows the arrival data
for two airlines in five
cities. Complete parts
(a) through (c) below.
Destination
Los Angeles
Phoenix
San Diego
San Francisco
Seattle
Total
Excelsior Airlines
Percentage on-time
90.3%
96.1%
90.3%
89.9%
86.9%
...
Number of
arrivals
471
247
159
507
2198
3582
Paradise Airlines
Number of
arrivals
889
5299
Percentage on-time
86.5%
94.7%
82.1%
76.6%
75.5%
381
377
223
7169
a. Which airline has the higher percentage of on-time flights to the five cities?
Excelsior Airlines has the higher percentage of on-time flights.
b. Compute the percentage of on-time flights for the two airlines over all five cities.
Over all five cities, Excelsior Airlines had an on-time percentage of % and Paradise Airlines had an on-time
percentage of %.
(Round to the nearest tenth as needed.)
Transcribed Image Text:The table to the right
shows the arrival data
for two airlines in five
cities. Complete parts
(a) through (c) below.
Destination
Los Angeles
Phoenix
San Diego
San Francisco
Seattle
Total
Excelsior Airlines
Percentage on-time
91.5%
94.9%
92.1%
84.5%
82.7%
CHAN
Number of
arrivals
437
152
277
522
2128
3516
Percentage on-time
a. Which airline has the higher percentage of on-time flights to the five cities?
Excelsior Airlines has the higher percentage of on-time flights.
b. Compute the percentage of on-time flights for the two airlines over all five cities.
89.6%
93.6%
85.1%
76.8%
78.7%
Number of
arrivals
839
5182
337
386
244
6988
Over all five cities, Excelsior Airlines had an on-time percentage of 85.3 % and Paradise Airlines had an on-time
percentage of 91.3 %.
(Round to the nearest tenth as needed.)
c. Explain the apparent inconsistency in the results.
Excelsior Airlines had the higher on-time percentage in the five cities individually, while Paradise Airlines had the
higher overall on-time percentage. This inconsistency is because most of Paradise Airlines flights arrive in
Phoenix,
Seattle,
where they have a high percentage of on-time flights. Most of Excelsior Airlines flights landed in
where they have a lower percentage of on-time flights.
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