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 …
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 …
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 …
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
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 …
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 …
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 …
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 …
Relation between F test and T test. Are they mutually exclusive?
Jun 5, 2019 · 2.If you have a control and treated group form the same population then they will be the same. But say if you have boys vs girls, location1 vs location2, they could be different. Correct. …
Odds ratio vs probability ratio - Cross Validated
Feb 25, 2020 · An odds is the ratio of the probability of an event to its complement: