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 Number of on-time arrivals 94.5% 95.7% 94.4% 83.5% 85.9% 440 277 101 631 2183 3632 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 fin Paradise Airline Percentage Numbe on-time arriva 821 5177 87.9% 94.6% 88.6% 75.6% 72.8% 4 406 405 259 7068

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.2: Representing Data
Problem 22PFA
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The table to the right shows the arrival
data for two airlines in five cities.
Complete parts (a) through (c) below.
Excelsior Airlines
Percentage Number of
on-time arrivals
Destination
Los Angeles
94.5%
Phoenix
95.7%
San Diego
94.4%
San Francisco 83.5%
85.9%
Seattle
Total
440
277
101
631
2183
3632
Paradise Airlines
Percentage Number of
on-time
arrivals
87.9%
94.6%
88.6%
75.6%
72.8%
821
5177
406
405
259
7068
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. Excelsior Airlines Percentage Number of on-time arrivals Destination Los Angeles 94.5% Phoenix 95.7% San Diego 94.4% San Francisco 83.5% 85.9% Seattle Total 440 277 101 631 2183 3632 Paradise Airlines Percentage Number of on-time arrivals 87.9% 94.6% 88.6% 75.6% 72.8% 821 5177 406 405 259 7068 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.)
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