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Thread: Please help Its urgent --Probability question

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    Please help Its urgent --Probability question




    Robert is a
    Last edited by sahilkthr; 11-06-2008 at 09:45 AM. Reason: spelling mistake

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    Re:

    See "Bayes Theorem" and related posts on TalkStats. P(fault) = .05 = 1- P(no fault). P(favorable | no fault) = .8, P(favorable | fault) = .25. You seek P(fault|favorable).


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    We are looking for P (default / favorable) = 0.05 * 0.8 + 0.95 * 0.25 = 0.2775.

    Is the answer correct?? Please advise.. Thanks for your guidance and suggestion

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    What does Bayes Theorem tell you about P(fault|favorable)?

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    Ok, my earlier answer was wrong, further study on Bayes theorem Gives me the following answer.






    now let me know if its correct.. Am almost 100% sure that its correct...let me know if otherwise, thaks for your hints...
    Last edited by sahilkthr; 11-06-2008 at 09:45 AM.

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    hi zmogggggggggg, can u please verify if the answer is rite?

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    looks good!

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    thnx buddy

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    can i ask u for more questions, if you dont mind?

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    Sure go ahead

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    helloooooo
    Last edited by sahilkthr; 11-06-2008 at 09:45 AM.

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    thanks, after this hint, i think i will be able to solve it, will post the correct answer for your verification

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    1 more question

    On an average 240 airplanes arrive in the O’Hare airport in an hour. What is the probability that
    (i) at least one airplane arrives during a ten-minute time span?
    (ii) No planes arrive during a 10-minute time span?
    (iii) No more than four airplanes arrive during a ten-minute time span?

    I think we have to use Poisson Distribution over here, but what is mean here for a 10 minute time span, not able to get it. can you provide me with the hint.

    Thanks... Appreciate your help

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    zmoggggg can u provide hint for the following


    On an average 240 airplanes arrive in the O’Hare airport in an hour. What is the probability that
    (i) at least one airplane arrives during a ten-minute time span?
    (ii) No planes arrive during a 10-minute time span?
    (iii) No more than four airplanes arrive during a ten-minute time span?

    I think we have to use Poisson Distribution over here, but what is mean here for a 10 minute time span, not able to get it. can you provide me with the hint.

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