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Type: Posts; User: zzod; Keyword(s):

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  1. Thread: Vancouver, BC

    by zzod
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    2,981

    Vancouver, BC

    Anyone from Vancouver wanna study in the coming fall for this exam?
  2. Replies
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    2,344

    Vancouver lol. What about you?

    Vancouver lol. What about you?
  3. Replies
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    2,344

    Study group in Vancouver!

    Anyone in Vancouver studying for the September sitting?
  4. Replies
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    3,938

    Okay, I did the second question if 0 < X < 3 and...

    Okay, I did the second question if 0 < X < 3 and 0 < Y < 8.
    I attached it as a pdf in this post. Did I do it right?
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    3,938

    Okay but then how do you solve for X and Y in...

    Okay but then how do you solve for X and Y in terms of t for the questions?

    to solve for E[max(x, y )] = integral of tf(t) from negative infinity to positive infinity.

    Also, how do you figure...
  6. Replies
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    3,938

    Calculating E[max(x, y)]

    Does anyone have any notes on this or can explain it to me?
    I tried googling but nothing really shows up. There's 2 questions in my textbook that asks to calculate E[max(x, y)] but they don't...
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    2,357

    Yeah, that sounds right. To calculate lambda,...

    Yeah, that sounds right. To calculate lambda, you find the average # of occurrences per time/space then multiply by the time/space the question is asking.
  8. Since a cumulative distribution function has to...

    Since a cumulative distribution function has to be nondecreasing, then its derivative must be 0 or some positive number for any value on its domain right?
  9. I got fy(4) as negative... I uploaded the...

    I got fy(4) as negative...

    I uploaded the work I did in pdf in the first post ^^
  10. Okay I managed to solve it for X lol...

    Okay I managed to solve it for X lol :embarrassed:
    but my answer ends up being negative! :(
    Can the answer be negative? I don't think so right...?
    I'll post how I did it in a few hours.
  11. Method of distribution functions and Exponential random variables questions

    Hey guys,

    I have a question about finding the density and distribution functions of Y = some function of X when given the probability density function of X, f(x).

    I attached a pdf of how I...
  12. Replies
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    7,238

    The answer turned out to be (12 choose 2) *...

    The answer turned out to be

    (12 choose 2) * (0.12540850)^2 * (0.87459150)^10 = 0.27180

    Thanks guys.
  13. Replies
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    7,238

    Okay so it should be like this? p =...

    Okay so it should be like this?

    p = (e^(-2.4))*(2.4^4) / 4! = 0.12540850
    1 - p = 0.87459150

    (12 choose 2) * (0.12540850)^2 * (0.87459150)^10 = 0.27180

    But I'm still not clear on why lambda...
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    7,238

    Oh this does make sense! I will try it out....

    Oh this does make sense! I will try it out. :coolman:
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    7,238

    Yeah I was thinking [1 crime in one month, 3...

    Yeah I was thinking [1 crime in one month, 3 crimes in another month] or [2 crimes in one month, 2 crimes in another month]

    So would you do the Poisson distribution like this....

    Find the...
  16. Replies
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    7,238

    Poisson distribution question

    Hey guys, I'm kind of stuck on this question.

    In a certain town, crimes occur at a Poisson rate of 2.4 per month (i.e. according to a Poisson process with a rate of 2.4 per month). What is the...
  17. To those who failed the first probability exam...

    Why did you fail?

    Just wondering so I don't make the same mistakes when I take it ^^'
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    ohhh thank you. makes sense now. :)

    ohhh thank you. makes sense now. :)
  19. Replies
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    1,913

    Power set question

    A delicatessen has advertised that it offers over 500 varieties of sandwiches. If at
    this deli it is possible to have any combination of salami, turkey, bologna, corned
    beef, ham, and cheese on...
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    Anyone writing it in Sept/Oct in Vancouver?

    I might be writing exam P in Sept/Oct and looking for someone to study with in Vancouver.

    So anyone? :)
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    I would retake it but my school doesn't let us...

    I would retake it but my school doesn't let us redo courses that we've passed =(
  22. Replies
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    5,695

    Calc 1 = differential calculus calc 2 = integral...

    Calc 1 = differential calculus
    calc 2 = integral calculus
    calc 3 = multivariable calculus

    I don't think my calc 2 mark reflects my strength in math at all since I was taking 4 other core classes...
  23. Replies
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    Ideal grade for Calculus III

    question answered.
  24. Buying Fundamentals of Probability, with Stochastic Processes (3rd Edition)

    Hello...

    I need this book:

    Fundamentals of Probability, with Stochastic Processes (3rd Edition) by Saeed Ghahramani ASAP shipped or meet up in Vancouver.

    Please message me or reply in this...
  25. Replies
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    Why do you think math is better than statistics?...

    Why do you think math is better than statistics?

    Just wondering since I can't decide between a math or statistics major.
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