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# poisson distributions watch

1. In a certain communications system, there is an average of 1 transmission error per 10 seconds.Assume that the distribution of transmission errors is Poisson. The probability of 2 error in a period ofone-half minute is approximately?
2. (Original post by muchiri pilot)
In a certain communications system, there is an average of 1 transmission error per 10 seconds.Assume that the distribution of transmission errors is Poisson. The probability of 2 error in a period ofone-half minute is approximately?
X~Po(1) for 10 seconds
So X~Po(3) for 30 seconds

I'm sure you can work out the rest as P(X=2) is P (X<=2)-P(X<=1)
3. (Original post by AnIndianGuy)
X~Po(1) for 10 seconds
So X~Po(3) for 30 seconds

I'm sure you can work out the rest as P(X=2) is P (X<=2)-P(X<=1)
kindly expound further, how to solve the above problem
4. (Original post by AnIndianGuy)
So there's 1 error every 10 seconds
In half a minute there's 30 seconds.
If there are 2 errors in 30 seconds, you can use my above working in conjunction with a Poisson table of values with lambda of 3 in order to work out the answer
kindly give me the correct answer
i have tried all means to calculate with no positive outcome
please enumelate for me the entire calculations
thank you
(Original post by muchiri pilot)
kindly give me the correct answer
6. (Original post by AnIndianGuy)
0.2241
7. (Original post by muchiri pilot)
i have tried all means to calculate with no positive outcome
please enumelate for me the entire calculations
thank you
please enumelate for me the entire calculations
thank you
8. (Original post by muchiri pilot)
please enumelate for me the entire calculations
thank you
That's not the way this forum works. See this thread: https://www.thestudentroom.co.uk/sho....php?t=4066671

What do you know about the Poisson distribution?
9. (Original post by BuryMathsTutor)
That's not the way this forum works. See this thread: https://www.thestudentroom.co.uk/sho....php?t=4066671

What do you know about the Poisson distribution?
basically, i know little about it but this particular problem i have been defeated
i would like to see the actual calculations please so that i can be able to follow the steps and get the concept well
10. (Original post by muchiri pilot)
basically, i know little about it but this particular problem i have been defeated
i would like to see the actual calculations please so that i can be able to follow the steps and get the concept well
11. (Original post by muchiri pilot)
Have a look at these examples. https://en.wikipedia.org/wiki/Poisso..._distributions

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Updated: July 26, 2017
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