Expected number of ratio of girls vs boys birth - Cross Validated
Apr 16, 2014 · E (# girls # boys) ≈ 2N (5 / 2)N = 4 5. The stopping rule favors boys! More generally, with half the families bearing girls independently with probability p and the other half bearing boys …
probability - What is the expected number of children until having the ...
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 independent with probability …
self study - Probability of having 2 girls and probability of having at ...
Aug 18, 2017 · Probability of having 2 girls and probability of having at least one girl Ask Question Asked 8 years, 4 months ago Modified 8 years, 4 months ago
How to resolve the ambiguity in the Boy or Girl paradox?
Jul 4, 2023 · 1st 2nd boy girl boy seen boy boy boy seen girl boy The net effect is that even if I don't know which one is definitely a boy, the other child can only be a girl or a boy and that is always and …
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 null hypothesis …
Sample notation: When to use capital $N$ vs lowercase $n$?
Jan 10, 2024 · Although the notation is not universal, I typically see (and use) N N used to denote population size and n n used to denote sample size. For subgroups in the sample I find it simpler to …
ANOVA vs. T-test for two groups - Cross Validated
May 23, 2019 · alternatively, you could inverse the relation and model the independent group variable as a function of the dependent variables. This is especially interesting with the multivariate type of …
probability - How many ways can 5 people sit around a table - can ...
Mar 2, 2017 · A probability problem: In how many different ways can 5 people sit around a round table? Is the symmetry of the table important? Answer: If the symmetry of the table is not taken into account …
what is the difference between a two-sample t-test and a paired t-test
May 16, 2021 · When you use a paired T-test, you are essentially doing a one-sample test, where your one sample consists of the paired differences between outcomes in two groups. If you create a new …
Understanding intuition of the Two child problem
The information that at least one is a boy, however that has been decided to make that statement, does certainly exclude the probability of two girls. The information about the day is seemingly not important)