What is the probability that the flight is between 30 to 60 minutes late or from airline B?

A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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(b) A survey of flight based on airline and arrival time was conducted. A random
sample of 1700 flights of two major airlines was selected and the results is
shown below. Suppose one flight is selected at random from these 1700
flights.
< 30 min late
30 - 60 min late
> 60 min late
Airline A
429
390
92
Airline B
393
316
80
(i)
What is the probability that the flight is between 30 to 60 minutes late or
from airline B?
Transcribed Image Text:(b) A survey of flight based on airline and arrival time was conducted. A random sample of 1700 flights of two major airlines was selected and the results is shown below. Suppose one flight is selected at random from these 1700 flights. < 30 min late 30 - 60 min late > 60 min late Airline A 429 390 92 Airline B 393 316 80 (i) What is the probability that the flight is between 30 to 60 minutes late or from airline B?
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