probability

  1. CDF for a continuous random variable

  2. Finding a probability expression when tossing balls into boxes.

  3. An Example of the Chi-Square Test

  4. Probability of two heads given the probability of a head on a Saturday
  5. is the work I did in this expected value correct
  6. Can we calculate the probability of the following scenario?
  7. What is the probability that the sum of n numbers between 0 and k is less than k?

  8. Probability that the sum of 'n' positive numbers less than 2 is less than 2

  9. Complicated venn diagram!

  10. Probability and how to determine CDF

  11. Marginal PMF of $X$ given joint PMF of $(X,Y)$ is $k \cdot \frac {2^{x+y}}{x!y!}$

  12. perturbation of a measure on $\mathbb{R}^d$
  13. Calculate the Marginal Probability

  14. Marginal p.m.f. of two random variables with joint p.m.f. $p(x,y) = 2^{-x-y}$
  15. Is there any difference between $P$ and $\Pr$ to represent probabilities?

  16. A curious dice rolling experiment
  17. Showing $P(S_m<m, \forall\ 1\leq m\leq n | S_n)=\max\{0, 1-S_n/n\}$
  18. Application of Holder's Inequality: $\mathbb{E}|X| \ge \frac 1{\mathbb{E}\left[X^4\right]^{1/2}}$

  19. Computing the pdf of two independent Gaussians conditioned on being inside the circle
  20. Consistency of multivariate estimator
  21. $(X_k)_k$ Random Walk, Law of $(|X_k|)_k$ can be expressed as law of modified maximumprocess
  22. Probability that the median of a sample will be equal to a particular element

  23. Finding marginal PDF of the following
  24. Is Expectation of Maximum of two Convex Random Variables Convex?

  25. Probability Biased Coin

  26. Do we require a probability density function to be Borel-measurable?
  27. Let X be a geometric random variable, show that $E[X(X-1)...(X-r+1)] = \frac{r!(1-p)^r}{p^r}$
  28. probability that minimum value in set A is larger than maximum value in set B

  29. Probability of two people being selected for jury service

  30. Probability, independent events but the pecentage given is for atleast number.
  31. What is the probability that if two cards are drawn from a standard deck without replacement that the first is red and the second is a heart?
  32. What is the difference and relationship between the binomial and Bernoulli distributions?
  33. Probability densities with null cumulantes higher than third
  34. Does there exist some probability space $(\Omega,\mathcal F,\mathbb P)$ that admits random variables with all possible laws on $\mathbb R^n$?

  35. What does it mean to take an integral of a probability?

  36. What does "$\mathcal M_{\mathcal E}$ a set of probability over $\mathcal E$" means?
  37. Probability of deck of cards
  38. MCMC - which one is the measured value?
  39. Transition probability for a time dependant probability

  40. Find the probability that no two of the remaining 3 girls are next to each other given that Ann and Alice are not seated together.

  41. Optimal strategy for guessing game

  42. Could binomial probability be used as an approximation in this scenario?
  43. Why the probabilities of two same events are different? (Example question included)
  44. If then statement regrading definition of lognormal distribution and the inverse of that statement?
  45. Problematic probability question (conditional probability)

  46. time series modeling and criteria thereof

  47. $\sum_{n=0}^{\infty} t^n \sum_{j=0}^{n} x^j Pr\{ Y_n=j\} = \frac{1-F(t)}{(1-t)(1-F(xt))} $
  48. a problem on Polya's urn scheme

  49. Do any probability measure has to be countably additive by definition?
  50. Proof $P(X=0)\le P(|X-\mu|\ge \mu)$ hold for a random variable $X\ge 0$?

  51. What is the best lineup given a table of win percentages

  52. If you roll a fair six sided die twice, what's the probability that you get the same number both times?
  53. Naive Bayes classifier big O complexity
  54. Doubt Regarding conditional probability

  55. Probability of drawing four slips of the same number out of a hat?
  56. Finding the PMF and CDF

  57. What does it mean that the probability is an integral in continuous probability?
  58. Markov chain with absorbing state

  59. Dataset T Test multiple years

  60. Conditional Probability of Two Continuous Random Variables
  61. Probability problem involving hyper-geometric distribution

  62. Probability of Selecting A Random Set in Graph with $k$ Edges That is Independent.

  63. Bayes formula for candy corundum

  64. Probability of red ball from countable many urns

  65. Sum of dependent normally distributed random variables

  66. Independent probability of events

  67. Why is $E(XY)=E(YE(X \mid Y))$?

  68. How do I show that the sum of two random variables is random variable?

  69. Unbiased Estimator for $\sigma^2$ in $N(0,\sigma^2)$
  70. I know there has to be a faster way to solve this or the exam wouldn't have it. Can somone please help.
  71. why probability densities which take on infinities for certain $x$ can still have finite integrals

  72. Probability and cumulative distribution function

  73. Information loss for distributions parameterised by scale

  74. Probability : Roll of Die

  75. Expectation of random variable multiplied by non-negative function of itself
  76. Find the covariance matrix of a vector of random variables

  77. Probability if no change occurs

  78. Probability for Void in a trick-taking game given your hand
  79. Probability that both people flip their first tails on the same round?

  80. Compute the conditional expectation $E[X|X<\tau]$, where $\tau$ is a constant
  81. Pointwise limit of increasing sequence of cadlag (or RCLL) functions.

  82. Probability problem(pmf, avg value, var, allocation) : hitting an enemy until he dies

  83. Continuous random variable density function

  84. What is the probability that a Poisson random variable is prime?
  85. Probability of events in an infinite, independent coin-toss space

  86. Probability question about chance of finding an item

  87. A point in a circle is selected at random. Calculate probability that point is closer to centre than circumference

  88. Having trouble finding the probability mass function.

  89. A teacher wants to randomly form two teams of 5 students from a group of 5 girls and 5 boys for a sports activity.
  90. Prove $τ=\inf\{t:B(t)=\max\limits_{0<s<1}B(s)\}$ is a random variable, although not a stopping time,where $(B(t))$ is a standard Brownian motion
  91. What is the probability of drawing a "conditionally" specific set of cards in a hand of 7?

  92. Finding Probability with 10 counters.

  93. Conditional expectation of second moment given sum of iid variables.
  94. A bridge hand void in one suit
  95. Will the average of a conditional sample converge in probability to the conditional expectation?

  96. Expected Value of Max of IID Variables

  97. Probability to obtain more than X with 3 dice.
  98. Can you please check my answers to the attached conditional probability question?

  99. Is there a combinatorical proof for this probability?

  100. Effects of zero mean on covariance matrix