Children Definition and 108 Threads

If two cloned men had sex with two cloned women, would their children be identical?

Hello, This is a classic problem in basic statistics: find the probability of two children of different gender being born, one after the other from the same mother. The sample space is ##{GG, BB, GB, BG}## with B= boy and G=girl. CASE 1: the event "a boy is born if the first child who was...

Summary: Recent world wide acute hepatitis outbreak in children and possible etiology. I've watched these cases with much interest lately, particularly since some of the possible vectors are being studied and identified. As the theories are being explored as to the cause, or causes of the...

See attached question and markscheme. Solutions Now they give the Mode as ##1## i am not getting this... My understanding 'maybe its the English used' is that we have ##0## children living in 3 houses, 7 houses have ##1## kid each bringing total number of kids to 7!, 5 houses have ##2##...

Proof: Let x be the number of men, y be the number of women and z be the number of children. Then we have 3x+2y+0.5z=100 such that x+y+z=100. Note that x+y+z=100 gives us z=100-x-y. Substituting this result...

Independent infections of porcine deltacoronavirus among Haitian children https://www.nature.com/articles/s41586-021-04111-z Could PDCoV merge or otherwise interact with SARS-Cov-2 in the same population, potentially through co-infection? In the conclusion section, a rather significant comment...

'Immunity debt' from Covid-19 lockdown is causing an influx of babies with a severe respiratory virus (respiratory syncytial virus) into hospitals in New Zealand, . . . . https://news.yahoo.com/covid-immunity-debt-sees-influx-001833570.html Immunity debt "occurs where people who have not been...

When I was a child I used to have a microscope. I don't remember the maximum zoom it could do. Nowadays when I look up for amateur microscopes on the web, they seem to go up to either 1000x or 2000x. Do you think it's enough to get some fun by looking at bugs and cells of onions for example? The...

How can I make a curriculum to student, to explain the term Invertiable Matrix? What would I use to explain? [tools, whiteboard, papers. printed website pages...] How can I order the curriculum? What will be in the start of year and what will be next? This new material that I need to teach in...

So I'm currently doing research on studying physics by visually impaired children. I know, that there are many techniques to teach such a kid physics, but what I don't like about these techniques is that they are mostly tactile-based and implement graphs and illustrations in Braille and...

This is an interesting story. I have a couple of friends with kids who need to wear quieting earphones in most public situations, and this seems like a nice way to help families be able to broaden the events that they can attend together. It will be interesting to see if it catches on as a...

Apparently, it costs over $200,000 to raise a child. This is not an insignificant amount of money. By forgoing children, I can easily buy a vacation home in another country. I can also make more money than I would have otherwise by spending the allotted "family time" on working or a side hustle...

A Science mag news article describes a rare disease (acute flaccid myelitis) that can cause Polio-like symptoms has been found in 22 of the US states. It may (or may not) be due to the enterovirus D68 (EV-D68), a polio relative. The virus is thought to normally cause mild flu symptoms, but its...

20 children share some cards equally. When another child joins them, they each get 2 fewer cards. How many cards are they sharing altogether? My answer: children = ch cards = cd => cd/ch but when another child joins them, they get 2 fewer cards. So, ch = cds - 2. then I did cd/20(cds - 2)...

I have been editing my Kepler Bb story and after Robin gets a nasty stomach bug that causes projectile vomiting and thus abdominal muscle soreness he has this pain all over his body. The stomach bug lasts for 5 days and it is an unknown pathogen(Possibly a super version of salmonella since he...

I find this hard to believe, surly having kids makes the parent happy. https://www.sciencedaily.com/releases/2016/06/160623065405.htm June 23, 2016 Source: Baylor University Summary: Parents in the United States generally are not as happy as those who aren't parents. Not only that, the U.S. has...

Homework Statement 1) We choose randomly 10 persons from 10 dance couples, but we need at least one dance couple. In how many ways is this possible? 2) If we divide n+1 books among n children and every child has to get at least one, in how many ways would this be possible? Homework Equations...

Each generation left behind their own mess. The Silent Generation left behind a legacy of racism, bigotry and unflinching suburban values. The Baby Boomers left behind lots of greed, debt, a housing crisis and education bubble for us. What will we leave to our kids, any guesses? Potential...

I think this is a case of an inebriated translator.. Or someone whose attention is lacking due to a problem with snoring and who needs their amygdale removed.. The book is Attention: Theory and Practice - by Addie Johnson and Robert W. Procter. I am reading it in Spanish translation, I don't...

Hello, In the picture above a couple are shown with their children. Or are they actually their children? Is it possible for them, having green (?) and hazel (?) eyes, to get 1 child with blue eyes and 3 children with brown eyes?

Is child hood obesity a problem? all the kids i know are slim and active. http://www.usc.edu/org/InsightBusiness/SP07articles/obesity.pdf

Hello all, I always wonder in this: do people make rational decision (now where we have the capabilities to control births) when deciding to bring children to this world, or it is just an evolutionary instinct? I think of it as following: They cost us a huge amount of money, effort, and time...

Homework Statement A girl of the mass 30kg and a boy of the mass 45kg sit on a frictionless floor holding two ends of a rope. The boy pulls on the rope. The girl moves towards the boy with an initial acceleration of 3ms^-2. The boy A. Moves towards the girl with an initial greater acceleration...

A study in California has shown that non-vaccinated children are clustered geographically thus increasing the severity of outbreaks of preventable diseases. http://pediatrics.aappublications.org/gca?submit=Get+All+Checked+Abstracts&gca=pediatrics%3Bpeds.2014-2715v1 Apparently California has a...

So, I've got three sisters, and one of them's just starting preschool/six-years-school. She seems to be a rather quick learner (and bright, if that's something you can be at five, six), and when she's paying attention to something the younger one (who's quite creative) usually follows. So...

Homework Statement Three Children are standing on a raft 5x5m. If the weights of the children at Points A,B,and C is 375N,260N,and400N, respectively, determine the magnitude and the point of application of the resultant of the three weights Link to diagram...

First of all, I'd like to clarify my title by pointing out it is NOT a dodgy pick-up line. I am a female myself and have noticed that pretty much every woman who enrolled at my university in physics is going on, or plans to go into the field of astrophysics, myself included. I am wondering if...

Our family is at the stage where me and my sibling are finding jobs and are gradually moving out since the positions we are getting or looking for are at all corners of the world. My parents, especially my mother, are finding this very depressing. Is there anything I can do to make it easier for...

I'm sorry if this isn't the correct forum. I wasn't sure where to put it. I have a problem that I need to make a computer algorithm to solve. I thought someone here might be able to give me some ideas. The basic problem is this: There are 3 children each with their own box. -George's box is...

I guess the problem is mostly due to the fact that I still don't understand recursion very well. What my prof is trying to do is to teach it to us by directly applying it to data structures that may use them, such as the Binary Search Tree. I've already been able to delete a node with no...

Hi, Consider person A. She has a (genetic) mutation in trait T. By comparing to her parents, we conclude that T was not inherited from parents since they lack T. Now A marry another person B. He has a moderate "amount" of T. They give birth to a child C. I know that there are probabilities...

I'm not looking for research papers, I want to know how your parents disciplined you. I'm primarily interested personal experiences with beating. I was sparked to create this thread after a conversation with my mother. I was physically disciplined, until I was large enough to strike back...

Hi guys! Looking at the wiki page for abelian integrals I get no intuition on these scary monsters, & since I'm still not 100% ready as regards all the material in the chapters preceeding sections on abelian integrals in the reference books mentioned on that page I'd think I'd have problems...

This is sick and twisted. A rifle for a four year old child? http://news.yahoo.com/5-old-boy-shoots-2-old-sister-ky-161229579.html

I am learning about genes and heritage currently and I am a bit baffled about something. In my book it states that in a plant's gene, if S is for smooth leaves and s for rough leaves, then we get these combinations: Parent plant | Child plant | Dominant alleles S + s -> Ss...

Homework Statement A king comes from a family of two children. What is the prob that the other child is his sister? The Attempt at a Solution I have the correct answer below, I just want to check my argument is good. I think the question is badly worded because of the use of the word...

Three children, Aaron (20kg), Beth (25kg) and Charlie (30kg) take off on sleds at the top of a hill. Who will reach the bottom first? (μ=.15) a)Aaron b)Beth c)Charlie d)All of them reach at the same time f=μN The answer is d. my first guess was A because i thought that since Aaron...

Hello all, My name is Yusif Nurizade; long time lurker, first time poster. I am taking a summer class which is going at a rather quick pace and I could really use some help with the following problem: A total of 11 different gifts are to be distributed among 15 children. How many...

Homework Statement Two children ride on the merry-go-round. Child 1 is 2.0m from the axis of rotation, and child 2 is 1.5m from the axis. If the merry go round completes one revolution every 4.1s, find the angular speed and the linear speed of each child. Homework Equations w=Δθ/Δt...

Homework Statement Two children stand on the edge of a merry-go-round while their friend accelerates them to an angular speed of 3 revolutions per second. The merry-go-round has a radius 10 m and a mass 100 kg and both kids weigh 35 kg. Once they reach this speed one of the kids jumps off...

Question: What is the probability your 1st daughter is the 4th child? Attempt: So probability of either male or female is .5 it seems probability of 3 boys in a row is .5*.5*.5 and then times again by .5 to get the answer (so .5^4). Is that correct? How would it change if you then switch...

I was on the bus today and this girl wanted to pee, but her dad already had his hands full and he looked so troubled because I think he also didn't want her to hold it in. He got off the bus (after he paid too) to take the girl to look for a washroom. I remember when I was a child and I had the...

Not sure if anyone has posted this, but I thought it was interesting: A couple have decided "to keep their infant's sex a secret", and allow their children to choose their own clothes, etc. Their children's names also seem unisex: Storm, Kio and Jazz. (Kio is either a Japanese female name or...

When I read this news article I thought it was a joke, but I guess not: http://www.dailymail.co.uk/news/article-1358654/The-worlds-biggest-family-Ziona-Chan-39-wives-94-children-33-grandchildren.html http://news.yahoo.com/s/nm/20110222/od_nm/us_india_family

Hello, PFers! I'm a 3rd Year Mechanical Engineering Undergraduate, just started on a design project titled "Electrically-driven Tricycle for Disabled Children". My team of 3 are currently doing research to make a proposal with valid data before the deadline in the next 4 days. It's pretty...

Chinese Mothers Are Superior (in raising children to competitive Harvard applicants) Why Chinese Mothers Are Superior reading the article (I have not read the book) it is clear that the whole point of piano lessons is to make their daughters look good for Harvard/Stanford/Ivy League...

President Obama recently made a speech in Tuscon, AZ - after a brutal attack that resulted in the shooting of 19 people including a popular Congresswoman, and the killing of 5 others including a Federal Judge and an innocent 9 year old girl. In the speech, the President suggested that we should...

Homework Statement There are 54 books in a book store: 28 are fiction, 21 are humour and 17 are children’s books. If 12 of the books are humourous fiction, 8 are children’s fiction, 3 are humourous fiction for children and 10 are serious non-fiction for adults, how many books are non-fiction...

There is a variation of an old problem that is driving me nuts The original problem is : a man has two children and at least one of them is a boy. What is the probability that he has two boys? You immediately think 50%, but you realize the gender combinations BB, BG,GB(where BB reresents Boy...

Here is an article about a study of gay parents influence on their childrens sexual orientation: http://www.aolnews.com/science/article/study-gay-parents-more-likely-to-have-gay-kids/19668089 The knee-jerk reaction by most is that this is a study motivated by an anti-gay hatemongering...