Determine the probability the trains meet at the station

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SUMMARY

The discussion focuses on calculating the probability of two trains, Train X and Train Y, meeting at a station given their random arrival times between 8:00 AM and 8:20 AM, with a 4-minute stop duration. The key points include determining the probability of Train X's arrival, the probability of both trains arriving within 4 minutes of each other, and the certainty of their arrival if they meet. The conversation highlights the need for clarity in the phrasing of probability questions related to independent events.

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hamumej
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Train X and Y arrive at a station at random between 8 am to 8.20 am trains stop 4 min assuming that the trains arrive independently.
1. Determine the probability the train X.
2. Determine the probability the train meet at the station.
3. Assuming that the trains meet; Determine the probability the trains arrive.
:confused: :confused: :confused: :cry:
 
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Please rewrite that so as to make sense. Also, what have you tried?
 
hamumej said:
Train X and Y arrive at a station at random between 8 am to 8.20 am trains stop 4 min assuming that the trains arrive independently.
1. Determine the probability the train X.
Determine the probability that the train does what? Arrive at the station at a specific time?

2. Determine the probability the train meet at the station.
In other words that one arrives within four minutes of the other.

3. Assuming that the trains meet; Determine the probability the trains arrive.
?? You are given that the trains arrive! That probability is 1. That the trains arrive when?
:confused: :confused: :confused: :cry:[/QUOTE]
Yes, you are. Take a deep breath, go back and read the questions again. I guarantee they are not what you wrote!
 
would like to help but i don't understand your question:confused:
 
Thank you for any reply. I got 5 question from my class. I also didn't get this question. I will go back to ask my lecturer about the question again.
 

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