dft - Understanding Polyphase Filter Banks - Signal Processing Stack ...
2025年1月17日 · 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, …
Expected number of ratio of girls vs boys birth - Cross Validated
2014年4月15日 · 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 …
self study - Probability of having 2 girls and probability of having at ...
2017年8月18日 · Probability of having 2 girls and probability of having at least one girl Ask Question Asked 8 years, 7 months ago Modified 8 years, 7 months ago
probability - What is the expected number of children until having the ...
2023年8月5日 · 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?
2023年7月4日 · 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
2022年2月9日 · 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 …
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 …
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)
probability - How many ways can 5 people sit around a table - can ...
2017年3月2日 · 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 …
what is the difference between a two-sample t-test and a paired t-test
2021年5月16日 · 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 …