An airport kept track of the number of flights that left on time for two different
airlines. the data are shown in a relative frequency table.
alrline a
airline b
total
flight on time
0.4
0.3
0.7
flight not on time 0.2
0.1
0.3
total
0.6
what does the 0.2 in the yellow cell mean?
o
a. 20% of all the flights were on airline a and not on time.
o
b. 20% of all the flights were not on time.
o
c. 20% of all the flights were on airline a.
o
d. 20% of airline a's flights were not on time.