The probability that a train leaves on time is 0.9. The probability that the train arrives on time and leaves on time is 0.36. What is the probability that the train arrives on time, given that it leaves on time?
1 Answer
Aug 1, 2016
Explanation:
Let
The question is what is
we know that
if the two events are not independent otherwise its just the product of the two probabilities. Since it is not independent we use this fact to derive the results