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 …
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 …
Expected number of ratio of girls vs boys birth - Cross Validated
Apr 15, 2014 · Expected girls from one couple$ {}=0.5\cdot1 + 0.25\cdot1 =0.75$ Expected boys from one couple$ {}=0.25\cdot1 + 0.25\cdot2 =0.75$ 1 As I said this works for any reasonable rule that …
regression - Building a linear model for a ratio vs. percentage ...
Echoing the first answer. Don't bother to convert - just model the counts and covariates directly. If you do that and fit a Binomial (or equivalently logistic) regression model to the boy girl counts you will, if you …
dft - Understanding Polyphase Filter Banks - Signal Processing Stack ...
Jan 17, 2025 · I'm studying Polyphase Filter Banks (PFB) but am having some difficulty grasping the concept. Let me clarify my understanding. Suppose we have a signal ranging from DC to 1.25 GHz, …
How to resolve the ambiguity in the Boy or Girl paradox?
Jul 4, 2023 · 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 only a 1/2 probability (ignoring any biological weighting …
Interpretation of regression coefficients with multiple categorical ...
Sep 26, 2021 · Cell "girls x boyonly school" is empty, likewise cell "boys x girlonly school". So I recommend you to obtain the vector of predicted values and check yourself, which differences the …
normal distribution - What is the probability that a girl is taller ...
3 "Given that boys' heights are distributed normally $\mathcal {N} (68$ inches, $4.5$ inches$)$ and girls are distributed $\mathcal {N} (62$ inches, $3.2$ inches$)$, what is the probability that a girl chosen …
distributions - Probability of a girl given 2 boys - Cross Validated
Nov 15, 2019 · If the probability for a girl is determined by the fact that there are 2 boys and 2 girls in this family of 4 children. Then the probability for the 3rd child to be a girl, given the first 2 are boys, is 100%.
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)