1. Announcement:
    Want access to a chatbox?
    Dason ‎(Devorador de queso)
    05-10-2017
    Views:
    1,892
+ Post New Thread
Page 9 of 91 FirstFirst 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 59 ... LastLast
Threads 481 to 540 of 5451

Forum: Probability

Probability course and homework discussion. Probability distributions. Probability theory, stochastic processes

  1. Arrow Sticky Thread Sticky: We only provide homework help to those who show effort

    Welcome to Talk Stats Forum. In order to keep homework help effective and efficient, we request all members to abide by these guidelines: 1)...

    Started by quark‎, 09-30-2005 09:44 AM
    • Replies: 0
    • Views: 30,333
    09-30-2005, 09:44 AM Go to last post
  1. I need help in finding the probability

    Assume that male and female births are equally likely and that the birth of any child does not affect the probability of the gender of any other...

    Started by JBM‎, 09-21-2006 02:31 PM
    • Replies: 1
    • Views: 6,312
    09-21-2006, 03:31 PM Go to last post
  2. Random Variables

    Haven't a clue where to start with this problem: Leona and Fed are friendly competitors in high school. Both are about to take the ACT college...

    Started by Xiomay‎, 11-25-2008 09:22 PM
    • Replies: 1
    • Views: 6,305
    11-26-2008, 12:49 AM Go to last post
  3. Poisson process in 3D

    I haven't the slightest idea of how to tackle the following problem. Find the probability density for the distance from an event to its nearest...

    Started by Kiuhnm‎, 03-15-2013 10:16 AM
    poisson process
    • Replies: 1
    • Views: 6,303
    03-15-2013, 03:11 PM Go to last post
  4. Combining random variables, squared

    Been sitting with this for a while, and hoping wome of you can assist me. I'm given a pdf f(y) = 6y(1-y) for 0<y<1, and I want to calculate the pdf...

    Started by Chub‎, 03-11-2010 07:00 AM
    • Replies: 2
    • Views: 6,295
    03-11-2010, 12:45 PM Go to last post
  5. Markov Chain Question

    Let P be the transition probability matrix of a Markov chain. Argue that if for some positive integer r, P^r has all positive entries, then so does...

    Started by downthesun01‎, 08-08-2011 05:00 AM
    • Replies: 2
    • Views: 6,290
    08-08-2011, 05:25 AM Go to last post
  6. cumulative distribution function for error

    Hi, I need help regarding the generation of cumulative distribution function (CDF) for distance error. I have a system which calculates...

    Started by hammid1981‎, 03-03-2011 10:15 AM
    • Replies: 9
    • Views: 6,285
    03-04-2011, 12:06 AM Go to last post
  7. Gamma/poisson distribution

    Suppose that ‘serious’ road accidents happen on a regional road in accordance with a Poisson process with a rate of 2.3 per week. Let T1 be the...

    Started by Cookie‎, 05-25-2010 07:17 AM
    • Replies: 1
    • Views: 6,270
    05-25-2010, 08:36 AM Go to last post
  8. Drug Reaction Probability

    In a clinical test of the drug Viagra, it was found that 4% of those in a placebo group experienced headaches. Assuming that the same 4% rate applies...

    Started by kelly g‎, 02-27-2012 09:32 PM
    • Replies: 6
    • Views: 6,262
    02-27-2012, 11:15 PM Go to last post
  9. random probability

    Answer the question, considering an event to be "unusual" if its probability is less than or equal to 0.05. Assume that one student in your class...

    Started by jewsvideo‎, 05-14-2009 04:56 AM
    • Replies: 0
    • Views: 6,261
    05-14-2009, 04:56 AM Go to last post
  10. Exponential Distribution

    I am having trouble with this question. In my notes from class and the texbook i can only find examples/equations for if P(x>k) or P(x<k). Would I...

    Started by Rus111‎, 11-15-2009 06:16 PM
    • Replies: 1
    • Views: 6,255
    11-15-2009, 10:27 PM Go to last post
  11. Consistent Estimator

    I'm new here so i'm not sure what is wrong with my tex (i cant get +)so I will write the correct information under my tex lines A balanced one way...

    Started by alf‎, 11-06-2011 07:10 PM
    • Replies: 4
    • Views: 6,252
    11-09-2011, 11:41 AM Go to last post
  12. Uniform distribution

    First of all i'm sorry for my english:shakehead ! I'm an Italian logistic engineering student, I've some trouble trying to solve this kind of...

    Started by thessdd‎, 06-20-2008 05:19 AM
    • Replies: 6
    • Views: 6,251
    06-23-2008, 08:24 AM Go to last post
  13. Red face Probability Problem

    I am stumped on this one a bit. In 2001, the average conventional first mortgage for new single-family homes was $245,000. Assuming a normal...

    Started by jkeelsnc‎, 06-15-2008 10:10 PM
    • Replies: 3
    • Views: 6,243
    06-16-2008, 12:50 PM Go to last post
  14. Need help with a practice probability question for Exam P!

    Here is the question - The length of time, in years, that a person will remember an actuarial statistic is modeled by an exponential distribution...

    Started by uihiba‎, 05-30-2010 04:30 PM
    • Replies: 2
    • Views: 6,243
    05-31-2010, 03:19 AM Go to last post
  15. Probablity Question

    So I need help!!! For a sales promotion, the manufacturer places winning symbols under the caps of 10% of all Pepsi bottles. You buy a six-pack. ...

    Started by smacly2‎, 02-11-2008 08:57 PM
    • Replies: 1
    • Views: 6,234
    02-12-2008, 01:43 AM Go to last post
  16. Can someone explain how to solve this simple problem?

    Your favorite team is in the World Series. You have assigned a probability of 63% that they will win the championship. Past records indicate that...

    Started by ekkakub‎, 10-26-2011 07:39 PM
    • Replies: 5
    • Views: 6,232
    10-26-2011, 09:10 PM Go to last post
  17. Help needed on probability assignment.

    Hi - A test for a disease has been used for many years. Experience with the test indicates that its sensitivity (probability that a person having...

    Started by tundradogs‎, 02-13-2009 02:01 PM
    • Replies: 2
    • Views: 6,203
    12-22-2010, 02:52 PM Go to last post
  18. Normal Distribution Question.

    Hello everyone! Thanks in advance for any help you can give me. I am in my first year of college, currently taking a MAT 103 class (Quantitative...

    Started by Lewisite‎, 03-26-2012 02:32 PM
    • Replies: 1
    • Views: 6,196
    03-26-2012, 04:32 PM Go to last post
  19. divide 2 chi square distribution

    Hi there, Can anyone help me with this?? : If X1~ X^2 distribution with n1 d.f. and X2~X^2 distribution with n2 d.f. then what is...

    Started by leo nidas‎, 09-24-2008 09:37 AM
    • Replies: 1
    • Views: 6,190
    09-24-2008, 10:00 AM Go to last post
  20. Independent study help..

    Greetings, I am new here and am in the middle of completing a research project for a Business Policy class. I put my Statistics independent class...

    Started by pwoodruffe‎, 01-19-2006 05:29 PM
    • Replies: 3
    • Views: 6,184
    01-20-2006, 11:38 AM Go to last post
  21. counting rule?

    20 students have to be split into 5 different labs groups; how many ways can we partition them if the first 3 labs have 3 students, the 4th has 5...

    Started by SadieKhan‎, 09-19-2010 11:51 AM
    2 Pages
    1 2
    • Replies: 15
    • Views: 6,181
    09-20-2010, 10:52 AM Go to last post
  22. Probability Question

    I have been trying to work though this problem and have gotten stuck; I am trying to set up a table to help me calculate the probabilities...

    Started by DKRbella0814‎, 09-10-2011 02:33 PM
    • Replies: 1
    • Views: 6,177
    09-12-2011, 03:27 PM Go to last post
  23. How to calculate if a mean is above chance level

    Dear all, I have a problem to compare means from two groups with chance level. The Variable I want to compare against chance level is calculated...

    Started by knut‎, 11-07-2014 05:58 AM
    chance level
    • Replies: 2
    • Views: 6,175
    11-07-2014, 09:03 AM Go to last post
  24. MCQ related Probability

    Here's the question: A MCQ has 100 questions. Each with four possible answer of which only one is correct answer. What is the probability that...

    Started by ruzfactor‎, 12-01-2008 06:06 AM
    • Replies: 1
    • Views: 6,167
    12-01-2008, 06:34 AM Go to last post
  25. 2 Probability problems

    I am taking statistics at my local community college and am ONLY doing it because it is required for a BSN degree. I am a 4.0 student, but most of my...

    Started by notamathwiz‎, 06-16-2008 11:10 AM
    • Replies: 2
    • Views: 6,151
    06-16-2008, 03:14 PM Go to last post
  26. Exclamation True or False Probability please help!!

    When a customer comes to a bank, there are three primary locations they may select to go to:teller, loan officer, or escrow department. Based on...

    Started by jessi‎, 10-09-2005 05:32 PM
    • Replies: 1
    • Views: 6,148
    10-09-2005, 05:43 PM Go to last post
  27. Jump Discontinuities in CDF's

    There aren't any examples of cumulative distribution functions with discontinuities in my textbook. I'm wondering what to do with something like...

    Started by math_guy314‎, 10-23-2010 09:59 PM
    • Replies: 4
    • Views: 6,148
    10-27-2010, 12:33 PM Go to last post
  28. Permutation or Combination? Who knows? How to know?

    I think I have a decent understanding of the difference btwn permuation and combination. But occasionally a word problem comes up that throws me a...

    Started by ckbeme‎, 04-16-2006 04:51 AM
    • Replies: 2
    • Views: 6,143
    04-18-2006, 04:35 PM Go to last post
  29. Help...

    I'm not sure how to set up this binomial probability problem. I hope there is a good probability that someone can point me in the right direction. ...

    Started by allan‎, 10-09-2012 02:54 AM
    • Replies: 4
    • Views: 6,143
    10-09-2012, 09:55 PM Go to last post
  30. Probability of intersection

    Hello, Does anyone know if the probability of intersection of A and B can be BIGGER than the multiplication of the probability of A with the...

    Started by Roni‎, 11-30-2005 04:29 AM
    • Replies: 1
    • Views: 6,136
    11-30-2005, 09:13 AM Go to last post
  31. Test Score Probability

    I’m trying to compare my grade on my Algebra exam to my fellow students using the normal distribution. Here are the results of the exam: ...

    Started by ciddis‎, 09-14-2006 09:12 AM
    • Replies: 1
    • Views: 6,136
    09-14-2006, 01:00 PM Go to last post
  32. In how many ways can 14 be rolled using 4, 6 sided dice?

    Hello, I am stuck in trying to figure out a possible number of permutations in which a certain sum of all dices rolled can be reached. For...

    Started by Akavall‎, 03-01-2012 10:02 PM
    • Replies: 3
    • Views: 6,132
    03-02-2012, 10:59 PM Go to last post
  33. Test significance of gene overlap between two gene lists by chance

    I am very new to bioinformatics and statistics so trying to ask around for help. I am working with expression data from two different antibody...

    Started by pmulinti‎, 05-21-2013 01:12 PM
    • Replies: 3
    • Views: 6,130
    05-22-2013, 11:32 AM Go to last post
  34. Unhappy test of significance with Poisson Distribution...

    Hello guys, well my problem is the following: I have some data that I have proved that follow the Poisson distribution using chi-squared test. Then...

    Started by nwg‎, 11-24-2008 05:25 AM
    • Replies: 2
    • Views: 6,127
    11-25-2008, 03:46 PM Go to last post
  35. Only one of two events occurs

    P(A) = 8/15 P(B) = 1/3 P(A|B) = 1/5 (Question) calculate the probability that only one event occurs. i have already calculated that the...

    Started by Hans Rudel‎, 04-23-2012 11:10 AM
    exclusive events, probability
    • Replies: 3
    • Views: 6,125
    04-23-2012, 11:48 AM Go to last post
  36. Question I need help with these problems,

    Hey everyone, I am new at this forum. I need help with these problem... I hope you can provide me with full solution and steps please...

    Started by AkinIE‎, 02-26-2006 10:24 PM
    • Replies: 1
    • Views: 6,122
    02-26-2006, 10:34 PM Go to last post
  37. Finding the probability, given only the mean

    Hello, I am in desperate need for assistance. A tutee of mine had a problem with probability. Here is the question: According to J. D. Powers...

    Started by QKTD7‎, 06-11-2007 02:54 PM
    • Replies: 4
    • Views: 6,121
    06-13-2007, 02:22 PM Go to last post
  38. Generate random number using Inverse Transformation Method

    Hi, I am looking for guidance on the proof of the Inverse Transformation Method to simulate a random variable having a continuous distribution. ...

    Started by PeterVincent‎, 02-03-2009 11:51 AM
    • Replies: 2
    • Views: 6,116
    03-03-2009, 12:01 PM Go to last post
  39. normal approximations

    One statistic used to assess professional golfers is driving accuracy, the percent of drives that land in the fairway. Driving accuracy for PGA...

    Started by natash‎, 06-17-2010 07:50 PM
    • Replies: 4
    • Views: 6,116
    06-18-2010, 05:05 PM Go to last post
  40. Multiplication Theorem on Probability and proof

    Hi Everyone! I'm with Conditional Probability and I don't understan this theorem. Theorem: If then Proof:

    Started by alfred_oh‎, 06-15-2013 03:18 PM
    • Replies: 1
    • Views: 6,116
    06-22-2013, 11:22 AM Go to last post
  41. Probability using z-table

    I'm studying for a final and working on some practice problems. I'm stumped on this one and would appreciate any and all help you can provide. The...

    Started by robbiesqp‎, 12-11-2009 05:20 PM
    • Replies: 4
    • Views: 6,101
    12-11-2009, 07:42 PM Go to last post
  42. kth sample moment

    Show that the kth sample moment about the origin, based on a sample of size n, is an unbiased estimate of the kth theoretical moment of a random...

    Started by welch4369‎, 11-10-2010 04:16 PM
    • Replies: 1
    • Views: 6,101
    11-11-2010, 03:55 AM Go to last post
  43. Reliability of a system with parallel components

    Hi, Consider this q.: If all 3 components in a parallel system function independently of one another, and the reliability at time t of the ith...

    Started by Silvanus‎, 11-03-2008 12:22 AM
    • Replies: 2
    • Views: 6,090
    11-03-2008, 03:02 AM Go to last post
  44. rock paper scissors vs flipping a quarter

    hello everybody. thanks for your reply ahead of time. scenario 2 people 1 time only game of rock paper scissors vs flipping a quarter what are...

    Started by fcbspain‎, 04-05-2008 08:37 AM
    • Replies: 7
    • Views: 6,087
    04-09-2008, 08:46 AM Go to last post
  45. Mean question

    An oil exploration firm is formed with enough capital to finance 30 explorations. The probability of a particular exploration being successful is...

    Started by penguin22‎, 06-20-2007 04:55 PM
    • Replies: 2
    • Views: 6,073
    06-21-2007, 07:27 AM Go to last post
  46. Probability split deck of cards

    Hi there, I've been stuck in this problem for some time, id be helpful if someone help me shed some light on it. Say we split a deck of 52 shuffled...

    Started by tnoni‎, 10-24-2010 05:42 AM
    • Replies: 3
    • Views: 6,073
    10-25-2010, 05:51 AM Go to last post
  47. Joint and Marginal Densities.

    I am having some problems grasping the concept of these joint and marginal densities. It would really help if someone could provide me with an answer...

    Started by Actuarial_Deepika‎, 01-30-2011 01:38 AM
    cdf, data analysis, joint density, marginal density, probability
    • Replies: 1
    • Views: 6,071
    01-30-2011, 02:28 AM Go to last post
  48. Expected values of bivariate distribution

    Hi guy's, To calculate Eor E of a bivariate pdf fXY(xy) Do you treat them seperately ie to calculate E E= \int x f(x,y)dx or to calculate...

    Started by beatle‎, 05-09-2009 04:16 PM
    • Replies: 2
    • Views: 6,070
    05-10-2009, 03:58 PM Go to last post
  49. normal distribution, use 50% probablity to get standard deviation

    Hello, I have got a normal distribution with μ=0 and I know that 50% of all observations are within a certain range. How can I get the standard...

    Started by JRadinger‎, 07-18-2011 03:45 AM
    • Replies: 2
    • Views: 6,068
    07-19-2011, 11:56 AM Go to last post
  50. Sum of 3 independent uniform distributon

    Hi, Can someone please help me solve the following problem Y = X1 + X2 + X3 Xi ~ Uniform(0,1) independent i = 1, 2 3 I need to find...

    Started by nubyra‎, 12-29-2011 09:14 PM
    • Replies: 2
    • Views: 6,066
    12-30-2011, 12:29 AM Go to last post
  51. Video lectures on SDE's

    Hi people. Does anyone know of an online lecture series on stochastic processes and/or stochastic differential equations?

    Started by mads_st‎, 03-25-2011 12:13 PM
    • Replies: 1
    • Views: 6,057
    03-30-2011, 05:55 PM Go to last post
  52. Poisson Process

    Hello I really need help with this problem and I have to show my work. We went over the Poisson equation but I can't figure out how to plug...

    Started by dalekissell‎, 04-27-2010 09:46 PM
    • Replies: 1
    • Views: 6,035
    04-28-2010, 12:49 AM Go to last post
  53. P value two tail test estimation formula

    Hi Thanks in advance for reading my question. For my stats class, we have estimate p value using the charts. And then we compare that outcome to...

    Started by ealeql‎, 10-10-2010 12:44 PM
    • Replies: 0
    • Views: 6,022
    10-10-2010, 12:44 PM Go to last post
  54. creating sten scores

    Hi, Please can someone help me out with creating a sten score - I am unsure of the process to follow to do this - is it something that can be...

    Started by AnnaHoy‎, 03-20-2006 12:01 AM
    • Replies: 0
    • Views: 6,018
    03-20-2006, 12:01 AM Go to last post
  55. having a bit of brain freeze with this

    Length of metal strips produced by a machine are normally distributed with mean length of 150 cm and a standard deviation of 10 cm. Find the...

    Started by tomjay‎, 07-17-2012 04:16 PM
    • Replies: 2
    • Views: 6,018
    07-17-2012, 04:19 PM Go to last post
  56. m&m probability

    Hi can you look over my solution? I am having difficulty in C and D part(what do they mean by procedure?) Thanks :yup: 1) According to company...

    Started by SadieKhan‎, 11-30-2010 02:46 PM
    • Replies: 1
    • Views: 6,017
    12-01-2010, 01:23 AM Go to last post
  57. Find P(X>1|Y=1), are X and Y independent?

    I'm trying to teach myself joint distributions, and there are two questions I'm stuck on. 1.Continuous random variables X and Y have joint pdf...

    Started by NicolaR‎, 01-21-2009 03:19 PM
    • Replies: 3
    • Views: 6,008
    01-23-2009, 12:34 PM Go to last post
  58. Sum of uniform distribution

    I would be very grateful if anyone could help me with this problem! In a market simulation I have multiple shouts i.e. bids and asks for which I...

    Started by daniel23‎, 04-07-2011 11:28 AM
    • Replies: 5
    • Views: 6,007
    04-07-2011, 01:07 PM Go to last post
  59. Dice Probability (2d6, 3d6, 4d6)

    I would like to find the probabilities of rolling a result using different numbers of six-sided dice. I am looking for the best way to figure out the...

    Started by Corkle‎, 05-08-2014 02:36 AM
    • Replies: 2
    • Views: 6,006
    05-10-2014, 12:50 AM Go to last post
  60. Cumulative distribution help.

    Okay so I've got this question: Let X be a random variable with a cumulative distribution function Fx. Prove that P(x=a) = 0 if and only if Fx is...

    Started by c2q‎, 10-10-2010 08:10 PM
    • Replies: 11
    • Views: 6,003
    10-11-2010, 06:25 PM Go to last post

+ Post New Thread
Page 9 of 91 FirstFirst 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 59 ... LastLast

Thread Display Options

Use this control to limit the display of threads to those newer than the specified time frame.

Allows you to choose the data by which the thread list will be sorted.

Order threads in...

Note: when sorting by date, 'descending order' will show the newest results first.

Icon Legend

Contains unread posts
Contains unread posts
Contains no unread posts
Contains no unread posts
More than 15 replies or 300 views
Hot thread with unread posts
More than 15 replies or 300 views
Hot thread with no unread posts
Closed Thread
Thread is closed
Thread Contains a Message Written By You
You have posted in this thread

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts






Advertise on Talk Stats