1. K

    N trials, 3 possible outcomes

    I have n independent trials, where the result of each trial is either A, B or C, with probabilities a, b and c respectively, so that a + b + c = 1. What is the probability that all results are either A or B (in any combination/permutation, but no C), including at least one A and at least one B...
  2. M

    Correlation multivariate trinomials

    I have a dataset of 6 multiple choice questions with each question having 3 mutually exclusive choices. The dataset is split into a number of time frames where each time frame hold, say, 1000 questionnaire results and each of the 18 datapoints provided in the time frame hold the fraction of...