Girls getting drunk. girls who will attend a party, and features of the party 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 H0 = "my cake tastes good for no more than 50% of the population of girls with taste disorders". 29 of pdf). Use italic type for all other statistical symbols. Aug 18, 2017 · Probability of having 2 girls and probability of having at least one girl Ask Question Asked 8 years, 2 months ago Modified 8 years, 1 month ago Apr 15, 2014 · Expected girls from one couple$ {}=0. With such a restricted range of dependent-variable (DV) values, my initial reaction in a comment that normality shouldn't even be suspected is substantially alleviated. An unreasonable rule would be one in which the expected children per couple was infinite. A couple decides to keep having children until they have at least one boy and at least one girl, and then stop. Assume they never have twi Suppose I want to build a model to predict some kind of ratio or percentage. Jan 10, 2024 · Use standard type for Greek letters, subscripts and superscripts that function as identifiers (i. 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 the I'm working on a problem from a textbook (self-study) (Casella and Berger). , are not variables, as in the subscript “girls” in the example that follows), and abbreviations that are not variables (e. Aug 5, 2023 · A couple decides to keep having children until they have the same number of boys and girls, and then stop. 25\cdot1 + 0. . In that case ANOVA will result in the same conclusion as an Student's t test, where . The Problem Given these facts/assumptions ⅓ of human twins are identical (one-egg) and ⅔ are fraternal (two-egg). But you also can use ANOVA with two groups, as you describe. Aug 18, 2017 · Probability of having 2 girls and probability of having at least one girl Ask Question Asked 8 years, 2 months ago Modified 8 years, 1 month ago Aug 5, 2023 · A couple decides to keep having children until they have the same number of boys and girls, and then stop. Use bold type for symbols for vectors and matrices. 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. For example, let's say I want to predict the number of boys vs. , log, GLM, WLS). 75$ Expected boys from one couple$ {}=0. 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 only a 1/2 probability (ignoring any biological weighting that girls may represent 51% of births or whatever the reality is). If you create a new sample of these difference values and then apply the formula for a one-sample T-test, you will see that this is equivalent to the paired test. Assume they never have twins, that the "trials" are independent with probability 1/2 of a boy, and that they are fertile enough to keep producing children indefinitely. g. e. 5, alternative="greater") which gives the following result 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 only a 1/2 probability (ignoring any biological weighting that girls may represent 51% of births or whatever the reality is). 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. 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. In python I can run binomtest(7, 8, 0. 25\cdot2 =0. See this R code: # Makes example reproducible set. 5\cdot1 + 0. 75$ 1 As I said this works for any reasonable rule that could exist in the real world. May 23, 2019 · Usually, we use ANOVA if there are more than two groups. 25\cdot1 =0. seed(1) # define sample size n <- 100 # generate a group group <- sample(0:1, n, replace= TRUE) # generate a dependent variable that varies Jan 27, 2020 · You'll note that the apparent non-normality problem is seen in girls, who outnumber boys by about 2 to 1. 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 the Apr 1, 2018 · Source: (Harvard Statistics 110: see #17, p. 7wqhj3 acfewm wdfkj oyim cgar isz5ed 8ixq 7iq cgu ji