odds

  1. M

    Calculating lottery probabilities

    The lottery i am talking about is a 6/49 game. You select 6 numbers from a pool of 49, and in the draw 6 numbers are taken. There is also an additional 'Bonus' number drawn from the remaining 43 balls which is used in some of the prize tiers. I have managed to calculate the overall odds of...
  2. L

    Probability: Odds of spinning a wheel, landing on each spot at least once

    Greetings all! First off, it's been a very long time since I took any sort of math class, and probability/statistics/combinatorics were subjects that I was never particularly good at, so any and all help is very much appreciated. THE PROBLEM I'm looking to determine the average number of...
  3. E

    Odds of Hiting 3 Cards On Flop?

    If we have a normal 52 cards deck. 5 players get dealth 3 cards each,and then the flop contains 8 cards. How often should a combo of 3 unique cards between A and 7 hit the flop? For example how often should A25 hit the 8 card flop? Thanks
  4. T

    Bingo style probability - chances of exactly specific number of balls released

    Hi all, I would like to simulate a bingo game jackpot, all calculations being made in Excel and I need help with the math. The game uses numbers 1 - 80. The player 'chooses' 16 numbers from this range. A win constitutes matching all 16 numbers for a 'House' I can currently work out the odds...
  5. R

    Probability and Log Odds

    Hello, I'm using a Logistic Regression model that has been created by a 3rd party. They have used Log Odds as opposed to predicted probabilities which I normally use. Could anyone tell me the relationship between probability, Odds and Log Odds in plain English? Thank you RD
  6. T

    What are the odds of this happening?

    In my class there are 30 students, 13 of which are good ones, 17 bad ones. The teacher divided us into 6 groups of 5 students, completely randomly, and it just so happens that in my group there was not a single good student. I am wondering what were the odds of this happening since it seems...
  7. F

    Dice: chance and odds

    I am trying to help my middle schooler with this problem: If a pair of dice is tossed once: (a) What is the chance of rolling either a 4 or 7? (b) What are the odds of rolling a total of 12?
  8. B

    Odds of passing a test.

    An instructor gives her class a set of 10 problems with the information that the final exam will consist of a random selection of 5 of them. If a student has figured out how to do 7 of the problems, what is the probability that he or she will answer correctly (a) all 5 problems? So the sample...
  9. I

    Probability and odds question

    Imagine there are two tennis players (X and Y) that are evenly matched. If they play 4 matches, what are the odds that one of them will win all four? Now assume there are two tennis players that may or may not be evenly matched. They play 4 matches and player X wins all 4 matches. What are the...
  10. C

    Solve equation in odds

    Hi, at the beginnig I want to apologise for any language mistateks i make - i'm polish (Nod) I have serious problem with such task: Solve equation x4-y3-4=0 in odds. I took it from an online maths competition. I tried replacing both x4 and y3 with (2n-1)4 and (2m-1)3 by it didn't help me...
  11. J

    Probability of A Random Sample of 955 students

    I am trying to determine the probability of this scenario: There is a population size of 955 people. Each one is assigned a random number, 1-955. I am looking at a sample of 26 people from this 955 sample, who have been assigned numbers randomly. I want to know what are the odds of a few...
  12. B

    odds of independent events

    Forgive me, I read through that entire sticky post at the top, and at the end, if anything, I was more confused. So I'll spell everything out here, and if one of you fine talented folk can tell me if I'm on the right track or not you will make my day! I have ten cards turned face down. One has...
  13. H

    Probability / odds of last person drawing their own name from a hat

    Hi... I'm an English teacher, and just did an exercise with my 6th graders - Secret Santa. But in my version, kids don't all draw names at the same time, everyone does it one at a time. The question I have is, what is the probability of the *last* student drawing their own name from a hat? If...
  14. P

    Dice 7 Odds Theory

    Does anyone know how to graph this phenomena on a computer? I graphed with dice how many rolls occur after a 7 before another 7 occurs. I understand that this may not work with computer generated numbers. The odds of 7 is 1 in six but this may be an additional way to predict the odds. The...
  15. O

    HELP! Probability of odds in favor of obtaining

    Compute the odds in favor of obtaining? At least 1 head when a single coin is tossed 3 times? help me please i know the answer is 7:1 but how and what did they do to get that answer?
  16. L

    Probability card game

    Hello! We play a version of 6 card brag but we have a debate over the true ranking of the hands. Each player is dealt 6 cards. Using any combination of these 6 cards two 3-card hands must be made following the traditional format of straight, flush, straight flush, three-of-a-kind, pair...
  17. J

    Help with stats interpretation!! Odds Ratio in dose-response model

    Hi all just wondering if someone can please help me understand this a bit better. I am reading an article and I am soooo confused about the odds ratios. I'm not very good at all this stats stuff. Any help is much appreciated! The paper is looking at serum TSH (blood test) and the relationship...
  18. J

    Help with stats interpretation!! Odds Ratio in dose-response model

    Hi all just wondering if someone can please help me understand this a bit better. I am reading an article and I am soooo confused about the odds ratios. I'm not very good at all this stats stuff. Any help is much appreciated! The paper is looking at serum TSH (blood test) and the relationship...
  19. G

    The holy grail or a dream?

    Hi guys, I am totally new at this forum and I hope somebody can help me. I have been studying the roulette for many years (developing and testing systems only as I do not like to gamble or to play at all, just interested in the odds and statistics). In all cases so far I have been able to...
  20. R

    can anyone tell me the odds on this situation

    There are 40,000 tickets in a drawing...one person has 240 of those tickets...they draw 4 tickets...what are the odds of them drawing the person with 240 tickets 3 out of the 5 tickets pulled?