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 that, I know …
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 …
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, 5 months ago Modified 8 years, 5 months ago
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 …
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 …
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 …
Understanding intuition of the Two child problem
Inspired by this twitter thread, posting this question: I have two children, (at least) one of whom is a boy born on a Tuesday what is the probability that both children are boys? Via Joel Grus, ...
regression - Building a linear model for a ratio vs. percentage ...
Suppose I want to build a model to predict some kind of ratio or percentage. For example, let's say I want to predict the number of boys vs. girls who will attend a party, and features of the party...