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Help with Expectation Problem Anyone?

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  • NoMoreExams
    replied
    Originally posted by pete2323 View Post
    Ok great, thank you..... So I should just type the question in the search menu for both?
    I would try to think of what words would be useful. For example I think I used "consecutive 6" or something of the sort. It's important to get good at searching. I've had to use google a lot to pull up studies for ad-hoc projects at work to give me a sense of how good my results compared to what others have done.

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  • pete2323
    replied
    Ok great, thank you..... So I should just type the question in the search menu for both?

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  • NoMoreExams
    replied
    The search features on here and AO are amazing. You should use them, it will help you with a lot of exam questions and for future work projects: http://www.actuarialoutpost.com/actuarial_discussion_forum/showthread.php?t=111709&highlight=consecutive

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  • pete2323
    replied
    I didn't understand there solution that is why I am asking.

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  • pete2323
    replied
    got it from actuarial cbt exams........ Can you actually write it out for me or no? Its ok if you don't have the time...... appreciate your help.

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  • trsspidey
    replied
    Yep that's what I mean. It looks like an arithmetically increasing series... Not sure if that is the easiest way to get the solution however...Where are you pulling this problem from? Actex?

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  • pete2323
    replied
    Do you mean that p (1) = the probability of 1 roll and p (2)= the probability of 2 rolls?

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  • trsspidey
    replied
    I might start

    1*P[1] + 2*P[2] +3*P[3] + 4*P[4] and so on...

    Doesn't look easy but it might be something to look into?

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  • pete2323
    started a topic Help with Expectation Problem Anyone?

    Help with Expectation Problem Anyone?

    Let X be a random variable representing the number of times you need to roll a 6 sided die to obtain 2 consecutive 6's.


    Find the E (x)
Working...
X