A flight attendant for USA Airlines is given an assignment that is randomly chosen
from the following available flights: 15 European destinations, 6 Caribbean
destinations, 8 South American destinations, 5 Asian destinations, and 11
destinations in the continental United States. What is the probability that her next
assignment takes her either to Europe or Asia?
Total number of available flights = 15+6+8+5+11=45
Number of flights : European destinations = 15
Number of flights : Asian destinations = 5
Number of flights : European or Asian destinations = 15+5 =20
probability that her next assignment takes her either to Europe or Asia
= Number of flights : European or Asian destinations / total number of flights = 20/45 = 4/9 = 0.4444
Probability that her next assignment takes her either to Europe or Asia =4/9 = 0.4444
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