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  1. Proving Distribution: Suppose Y_i is distributed i.i.d. N(0, sigma^2) for i=1,2,3,...
  2. Drawing unequally weighted balls
  3. Having a problem no math genius
  4. In how many ways can 4 people be arranged in a row to have picture taken?
  5. How many car color-combos can be made if there are 4 ext. colors, 3 int. colors?
  6. Suppose 10 fish caught from lake w/ 5 types. How many diff. outcomes possible if...?
  7. Please help w/ "24 players on team;12 are blonde, 15 are female, 3 are both."
  8. Interview questions - preventing contamination
  9. Combinatorics grid: 3x3 square grid must be filled with numbers 1, 2, 3 so that...
  10. Random Number Generator Problem, All Help Appreciated :)
  11. Probabilities w/ dice; One is a long die with 6 sides, the other a decahedron.
  12. combination help please :15 games to be played with 2 different players per game
  13. Combination help please - how many options available to tick out of 33 check boxes?
  14. Counting principles: 5 girls stand in a line. How many possible permutations...?
  15. NEED HELP With an algorithm...I think...: 5 columns with 6 variables
  16. Probably question: choose 6 numbers, 1st-5th from 1-75, 6th from 1-15; match computer
  17. On average how many draws does it take to select the winner?
  18. Transformation of SD and mean - help please
  19. Which test do I use with 2 variables and unequal testing pools?
  20. Advanced quantitative reasoning homework help??
  21. Average vs divided sum of totals
  22. Help with this Class Game/Problem
  23. Help with probability density function
  24. Binomial distribution question about defective light bulbs
  25. Can someone help me with this Statitics problem? (attached)
  26. Prevention of Depression in At-Risk Adolescents A Randomized Controlled Trial
  27. Wargame probabilities question
  28. Help with combination/permutation problem?
  29. probability mass function and cumulative distributive function
  30. Counting(equally sized boxes)
  31. Possible Combinations for football pool
  32. Conditional expected value on iid variables
  33. Probability help
  34. please help solve this P and C qn thanks!!!😊
  35. Proving the limits of expectations, w/ E(U_i) = mu < infinity
  36. What is min. number of children couple should have to achieve both w/ 99% prob.?
  37. Combination: The game of euchre uses only 9s, 10s, jacks, queens, kinds, and aces...
  38. inequalities in probability: convergence w/ rates Pr(A−a>ε1)≤ekn and Pr(B−b>ε2)≤esn
  39. Proof of Markov Chain: Bunny rabbit has three dens A, B and C. It likes A better than
  40. What is the difference between dispersion and mean root square deviation?
  41. Machine Learning 101: Let x_i be N i.i.d random vars drawn from uniform dist. over...
  42. Permutations + geometric progression (payout on a gambling machine)
  43. Balls falling in buckets: "If X balls are dropped randomly into Y buckets..."
  44. Standard Deviation Issue
  45. Probability Distribution: "you have 'incomplete' distribution function because..."
  46. overall percentage change and mean: annual percentage changes in company share price
  47. P(a∩b): Given P (A) ≥ 0.99 and P (B) ≥ 0.97, show that P (A∩B) ≥ 0.96
  48. Having an issue in a proof::
  49. Presence/Absence
  50. Identifying trend
  51. Company Survey: how to weight multiple units?
  52. Permutations
  53. Statistical Analysis of Correlation Between Height and Length of Body Parts
  54. Regression
  55. Need help to find formula of curve like Gamma or Rayleigh distribution
  56. Mean, median, and mode: Which represents "the average"? (sunshine in Regina)
  57. increase the mean, decrease the median, change the mode (Sandra's soccer goals)
  58. the median mark as a percent was 80%. The mean was 73%....
  59. Evaluate Accuracy of estimated continuous random variable
  60. Help with Expected Value (EV) HW assignment please: American roulette wheels
  61. What is the probability that the company will be profitable?
  62. What is the probability of telling a secret.
  63. Probability Distributions: Applied statistical analysis
  64. Probability distribution for geometric random variable (flipping balanced coin)
  65. How to calculate the rejection region (energy-drink consumption)
  66. Type of Stat Test to Use? (research paper on birdstrikes with aircrafts)
  67. The Exponential Distribution and the Poisson Process (servers processing jobs)
  68. Some tasks with probabilities I'm not sure I've done right
  69. Confidence intervals: Using MLNe to estimate effective population size
  70. Need help with survey results, two-way table
  71. Need help about how many times an event may happen using probabilities
  72. Is it possible to find SD, having n, mean, median, 5% and 95% quantile?
  73. Bayes’ THM
  74. Proability of pendulum landing on a number with different values
  75. Dice Problems - Permutations and Combinations
  76. How many ways can you roll an even number sum if you can use up to 5 dice?
  77. Continuous PDF Problem: shoes stay in fashion with pdf ke^-.1t...
  78. (Union A n)^c = (Intersect A n)^c
  79. Dice, spreadsheet and very little education. Help needed.
  80. Odds Ratio and Confidence intervals: 256 seven-year old children from the UK
  81. There are 3 6-sided dice; 2 red and 1 purple. All three dice are rolled...
  82. Extremely difficult question: "A rugby union squad has 30 players...."
  83. Coin toss probability: "There are 3 coins in a bag, 2 fair and 1 biased...."
  84. Probability of undesirable outcome...?
  85. Probability: Nando has a gambling problem, and plays the following game of chance:
  86. Probability Real Life Question
  87. Beta probability (laboratory offers bottles of hydrogen peroxide...)
  88. Markov chain or a different method? I am rolling 2 fair dice repeatedly...
  89. Random 6 values: prob. picked values are 90+% of the maximum value?
  90. Probability of choosing red and black billiard balls
  91. tricky algebra: With a fair coin, my opponent flips 50 times, with fair odds, ie,...
  92. What is theoretical mean, variance of random var uniformly dist on (0,1) ?
  93. Find cut off values of Z ("Find C if P(-C<Z<C) = 0.95")
  94. The possibility of a distinctive object within distinctive boxes
  95. % Variance in a Population
  96. PROBABILITY- extension of the birthday problem
  97. plz help w/ "When you flip a biased coin the probability of getting a tail is 0.47."
  98. Hypothesis testing finding P value: 127 workers were asked how many hrs they'd worked
  99. 1 to 30000 printed out as one long string; how often does 2017 appear?
  100. Mssing probability from the line