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  1. Probability of having 2 girls and probability of having at least one …

    Aug 18, 2017 · Probability of having 2 girls and probability of having at least one girl Ask Question Asked 7 years, 10 months ago Modified 7 years, 10 months ago

  2. probability - What is the expected number of children until having …

    Apr 1, 2018 · Source: (Harvard Statistics 110: see #17, p. 29 of pdf). A couple decides to keep having children until they have at least one boy and at least one girl, and then stop. Assume …

  3. Hypothesis testing: Fisher's exact test and Binomial test

    Feb 9, 2022 · Considering the population of girls with tastes disorders, I do a binomial test with number of success k = 7, number of trials n = 8, and probability of success p = 0.5, to test my …

  4. probability - What is the expected number of children until having …

    Aug 5, 2023 · A couple decides to keep having children until they have the same number of boys and girls, and then stop. Assume they never have twins, that the "trials" are …

  5. How to resolve the ambiguity in the Boy or Girl paradox?

    Jul 4, 2023 · There's no paradox here, just ambiguity. We're giving a vague description of a "real life" situation, and you're supposed to turn that into a well defined probability space in which to …

  6. Learning probability bad reasoning. Conditional and unconditional ...

    The other possibilities—two boys or two girls—have probabilities 1/4 and 1/4. a. Suppose I ask him whether he has any boys, and he says yes. What is the probability that one child is a girl? …

  7. Expected number of ratio of girls vs boys birth - Cross Validated

    Apr 16, 2014 · Thanks to the answers I now understand why the ratio would be 1:1, which originally sounds counter intuitive to me. One of the reason for my disbelief and confusion is …

  8. Sample notation: When to use capital $N$ vs lowercase $n$?

    Jan 10, 2024 · In statistics and psychological research, what is denoted by capital N N vs lowercase n n? I work in psychological research and I've seen them used in two ways: Capital …

  9. normal distribution - What is the probability that a girl is taller ...

    Assume that X X is a random height of a boy and Y Y is a random height of a girl and these variables are independent. Now, the probability you want to assess is

  10. combinatorics - All combinations for a King and Queen (coed) 2's ...

    Dec 10, 2020 · All combinations for a King and Queen (coed) 2's Tournament Pool Sheet (N girls and N guys) Ask Question Asked 4 years, 6 months ago Modified 4 years, 6 months ago