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400 Airline Flights are studied and it found that 205 of the flights departed within 15 minutes of scheduled departure time, 155 of the flights were
400 Airline Flights are studied and it found that 205 of the flights departed within 15 minutes of scheduled departure time, 155 of the flights were at least 15 to 30 minutes late for departure, 35 flights were more than 30 minutes but less than an hour late for departure, and 5 flights were more than an hour late.
a) what is the probability that a flight is at least 15 minutes late for departure?
b) what is the rpobability that a flight is at less than1 hour late for departure?
c) What is the probability that a flight is atleast 15 minutes late for departure, but less than 1 hour late for departure?
