90% of flights depart on time. 80% of flights arrive on time. 75% of flights depart on time and arrive on time.  You are meeting a flight that departed on time. What is the probability that it will arrive on time?  You have met a flight, and it arrived on time. What is the probability that it departed on time?  Are the events, departing on time and arriving on time, independent?

A First Course in Probability (10th Edition)
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ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
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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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Q7: 90% of flights depart on time. 80% of flights arrive on time. 75% of flights depart on time
and arrive on time.
 You are meeting a flight that departed on time. What is the probability that it will arrive
on time?
 You have met a flight, and it arrived on time. What is the probability that it departed on
time?
 Are the events, departing on time and arriving on time, independent?

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