Friday

January 30, 2015

January 30, 2015

Number of results: 145,913

**math**

A couple intends to have four children. Assume that having a boy and girl is equally likely event. a) List sample space b) Find the probability that couple has two boys and two girls; c) Find the probability that couple has at least one boy
*January 23, 2012 by juan777*

**Math**

A newly married couple expected a boy and a girl or four children, occuring boy or girl has equal probability. Find the probability of success of their expectations.
*January 2, 2015 by Chathu*

**probability**

a couple is planning to have three children. Find the probability that the couple will have: a.) 2 girls and 1 boy? b.) 2 girls followed by a boy? c.) at least 1 girl? please answer my question thank you very much, have a good day!
*September 21, 2012 by nitz*

**math**

Assuming boy and girl babies are equally likely, find the probability that a family with three children will have exactly 1 boy
*November 3, 2013 by Jazmine*

**odds of...**

Does anyone know the odds of having Two girls as children as opposed to two males or one male and one female? I say it is 25 percent but my friend says it is 33.3 percent. Can anyone clarify? Thanks! You are correct. Assuming tht boy and girls are equally probable each time, ...
*August 8, 2005 by Lynn*

**stat**

couple plans to have four children what is the probability that three are girls and one is a boy
*January 26, 2014 by jerry*

**Finite math**

A newly married couple decides to keep having children until they have a girl. What is the probability that the couple will have at least 5 children?
*May 3, 2012 by MV*

**statistics**

3. A couple is planning on having four children. Assume that the probabilities of the man fathering a boy or a girl are .50 and .50, respectively. What is the probability that a. exactly two will be boys, b. fewer than two will be boys, and c. more than one will be a boy? ...
*June 7, 2013 by Lynn*

**Math**

In a family with two children, what are the probabilities of the following outcomes, assuming that the birth of boys and girls is equally likely? a. Both are boys. b. The first is a girl and the second a boy. c. Neither is a girl. d. At least one is a girl. I was wondering ...
*November 18, 2009 by Punkie*

**maths**

Hi Can anyone help please: Suppose that the births of boys and girls can be modelled by rollling a fair die with 27 faces, 14 of which represent a boy and 13 represent a girl. 1. Using this model, choose the option that is closest to the probability that a couple who continue ...
*March 14, 2011 by Claire*

**maths**

Hi Can anyone help please: Suppose that the births of boys and girls can be modelled by rollling a fair die with 27 faces, 14 of which represent a boy and 13 represent a girl. 1. Using this model, choose the option that is closest to the probability that a couple who continue ...
*March 16, 2011 by Claire*

**Statistics**

Supposed (as is roughly correct) that each child born is equally likely to be a boy or a girl and that sexes of successive children are independent. If we let BG mean that the older child is a boy, and the younger child is a girl, then each of the combinations BB, BG, GB, GG ...
*May 28, 2011 by Chelsea*

**Help????????????????????/**

Assume a family is planning to have three children. A. What is is the probablity of a family having 2 girls. B. The probablity of a family having at least 1 boy. C. List the sample space using a B for Boy and G for girl (Hint there should be 8 possible outcomes).
*April 26, 2013 by Angela*

**math**

What is the probability that exactly three children in a family of five children will be boys? Assume that P(boy)=P(girl)
*March 9, 2010 by Andrew*

**Math-probablity**

Assume a family is planning to have three children. A. What is is the probablity of a family having 2 girls. B. The probablity of a family having at least 1 boy. C. List the sample space using a B for Boy and G for girl (Hint there should be 8 possible outcomes).
*April 26, 2013 by Angela*

**math probablity**

Assume a family is planning to have three children. A. What is is the probablity of a family having 2 girls. B. The probablity of a family having at least 1 boy. C. List the sample space using a B for Boy and G for girl (Hint there should be 8 possible outcomes). ??????
*April 26, 2013 by Angela*

**7th grade science**

Write a pedigree in which there are parents and 4 children, 1 girl and 1 boy are color blind and the other girl and boy are not. I HAVE A FEW QUESTIONS- ?- For a girl to be colorblind does her mother have to be colorblind too or just a carrier?her father? ?- If two people are ...
*January 4, 2010 by kendall*

**probability**

For a family with 2 children, the sample space indicating boy (B) or girl (G) is BB, BG, GB, and GG. If each of the outcomes is equally likely, find the probability that the family has 2 girls, given that the first child is a girl.
*July 6, 2013 by sarah*

**Statistics**

Suppose you conduct a study and find that the probability of having a baby boy is 60%. Now suppose three of your relatives are going to have babies. a) Build a tree diagram showing all the conditional probabilities and joint probabilities associated with the sex of the three ...
*May 10, 2008 by Danny*

**Statistics**

Suppose you conduct a study and find that the probability of having a baby boy is 60%. Now suppose three of your relatives are going to have babies. a) Build a tree diagram showing all the conditional probabilities and joint probabilities associated with the sex of the three ...
*May 11, 2008 by Danny*

**Math**

Assume the probability is 1/2 that a child born is a girl. If a family has three children, what is the probability that they have a) exactly one girl b) at most two boys?
*January 10, 2011 by Nicole*

**science**

A normal man and a heterozygous color blind "carrier" woman have a baby. If they have a girl, what is the probability that the girl will be colorblind. If they have a boy, what is the probability that the boy will be colorblind?
*December 18, 2012 by kelly*

**English**

1. The boy is arm wrestling the girl. 2. The boy is arem wrestling with the girl. 3. The boy is having an arm wrestle with the girl. 4. The boy is having an arm wrestling against the girl. 5. The boy is doing an arm wrestle with the girl. 6. The boy is doing an arm wrestling ...
*May 29, 2012 by rfvv*

**help... probability**

The Smith family has 4 children that are all girls. What is the probability that the next one will be a girl? You plan on having four children and you want all boys. If you have children, what is the probability you will get four boys?
*October 16, 2007 by maggie r*

**maths-probability**

A family has four children. The probability of having a girl is 1/2. What is the probability of having 2 girls followed by 2 boys?
*April 16, 2008 by louis*

**math**

in a family with two children, what are the probabilities of two boys, the first is a girl the second is a boy, neither is a girl, at least one girl, assuming that the birth of boys and girls is equally likely.
*December 9, 2009 by Justin*

**statistics**

Define each of the following probability terms for the scenario of determining the probability that when a couple has 3 children, they will have exactly 2 boys. Assume that boys and girls are equally likely and that the gender of any child is not influenced by the gender of ...
*September 6, 2014 by thankyou*

**Math**

In a family with two children, what are the probabilities of the following outcomes, assuming that the birth of boys and girls is equally likely? a. Both are boys.b. The first is a girl and the second a boy. c. Neither is a girl. d. At least one is a girl. I am questioning ...
*November 4, 2009 by Anonymous*

**Physics**

Three children are trying to balance on a seesaw, which consists of a fulcrum rock, acting as a pivot at the center, and a very light board 6.0 long . Two playmates are already on either end. Boy A has a mass of 50 , and girl B a mass of 35 . Where should girl C, whose mass is...
*November 18, 2010 by Kyla*

**Science**

Two parents have three children. They have two girls and one boy. What is the probability that the next child will be a boy?
*April 8, 2013 by Bobby*

**Probability**

Can someone tell me if I have the correct answers? I am really confused. Three boys and three girls line up to go in the front door. In how many ways can they line up? My answer: 720 How many ways can they line up if the first one in line is a girl and then alternates by ...
*August 23, 2008 by Tim*

**statistics**

Ignoring twins and other mutiple births, assume babies born at a hospital are independent events with the probability that a baby is a boy and the probability that a baby is a girl both equal to 0.5. Referring to the information above, the probability that at least one of the ...
*September 19, 2007 by Anonymous*

**elementary statistics**

56% of families had no children under the age of 18;17% had no child;18% had two children;6% had three children; and 3% had four or more children. If a family is selected at random, find the probabilty that the family has less than three children(express your answer in percent...
*March 3, 2012 by goldielocks*

**Algebra**

5 Couples, having dinner before the prom are to be seated at a circular table. In how many ways can this occur if the seating must be boy girl, boy girl?
*May 23, 2013 by Tim*

**Math**

Assume that the probability is 1/2 that a baby born is a boy. If a couple has two children, what is the probability that both are girls? Assume that births are independent of each other.
*February 21, 2010 by Lyndse*

**physics**

Suppose a 65-kg boy and a 45-kg girl use a massless rope in a tug-of-war on an icy, resistance-free surface. If the acceleration of the girl toward the boy is 3.0 m/s2, find the magnitude of the acceleration of the boy toward the girl.
*October 28, 2009 by Liz*

**Physics**

Suppose a 68-kg boy and a 40-kg girl use a massless rope in a tug-of-war on an icy, resistance-free surface. If the acceleration of the girl toward the boy is 3.0 m/s^2, find the magnitude of the acceleration of the boy toward the girl.
*January 3, 2010 by Sasha*

**Physics**

Suppose a 68-kg boy and a 40-kg girl use a massless rope in a tug-of-war on an icy, resistance-free surface. If the acceleration of the girl toward the boy is 3.0 m/s2, find the magnitude of the acceleration of the boy toward the girl.
*January 5, 2010 by Sasha*

**physics**

Suppose a 64-kg boy and a 49-kg girl use a massless rope in a tug-of-war on an icy, resistance-free surface. If the acceleration of the girl toward the boy is 3.0 m/s2, find the magnitude of the acceleration of the boy toward the girl.
*June 10, 2010 by Anonymous*

**physics**

Suppose a 69-kg boy and a 42-kg girl use a massless rope in a tug-of-war on an icy, resistance-free surface. If the acceleration of the girl toward the boy is 3.0 m/s2, find the magnitude of the acceleration of the boy toward the girl.
*August 30, 2014 by sarah*

**mathematics**

Consider the composition of a three-child family. Assume that a girl is as likely as a boy at each birth. What is the probability that there is one boy and two girls in the family?
*February 20, 2011 by Anonymous*

**Biology**

In man, muscular dustrophy , is inherited as a sex linked recessive , a couple , both of whom are normal, have five children, three boys and two girls , the oldest boy is beginning to show symptoms of the disease, what could you tell them about the chances of their children ...
*October 26, 2011 by Melissa*

**college math**

A couple plan to have exactly three children. (a) Construct a tree diagram and list the sample space. (b) Find the probability that the family has at least two girls.
*December 11, 2007 by Rose*

**Math**

In Class A there are 80 the Boy to Girl ratio is 3 to 5. In Class B the boy to girl ratio is 3 to 2. If the 2 classes combined have an equal number o fboys and girls how many students are in class B?
*August 19, 2013 by Jackie*

**Finite Math**

Suppose a family has 5 children. Suppose the probability of having a girl is 1/2. find the probability that the family has exactly 3 girls and 2 boys?
*February 10, 2010 by Maria*

**math**

Below is a sample space for a family with 3 children. BGG stands for the oldest child being a boy, the middle child a girl, and the youngest a girl. Use the sample space to answer the question:What is the probability (in simplest form) that the middle child is a boy? _____ ...
*April 5, 2012 by Cheril*

**statistics**

For any married couple who are members of a squash club, the probability that the husband has a degree is 2/4 and the probability that the wife has a degree is 1/4. The probability that the husband has a degree given that his wife has a degree is 3/9. A married couple is ...
*December 3, 2011 by Nabiha*

**Algebra Grade 7**

Mr and Mrs Chen have three children. suppose the chance of having wither a boy or girl is 50%. what is the probability of having two boys and one girl? 2/9? a survey with 104 responses asked what is your favorite winter activity the results are listed in tabel if 500 ppl had ...
*December 21, 2012 by fanggirl.rockrchik*

**Science**

a 55 kh boy and 40 kg girl usa a rope while engaged in a tug-of-war on an icy frictionless surface. If the girl accelerates towards the boy at 5.1 m/s/s, what is the acceleration of the boy towards the girl. Thank You Did I not set this up for you last nite? What is it you do...
*December 30, 2006 by leafprincess*

**4th grade**

this year spring parade has a marching band, pairs of dancers, a float with jugglers, a dozen circus clowns, a girl scout troop a boy scout pack, and a championship football team. Directions: Read the description of each group carefully and decide how many are in each group ...
*November 18, 2010 by tristen*

**Math: Is my answer correct?**

I am not sure how to do this, just guesssing. A couple has a 2/3 probability of passing on brown eyes to their children. If they have four children, what is the probability that none of the children will have brown eyes? A) 8/27 B) 1/27 C) 1/81 D) 16/81 Would I multiply 2/3^4 ...
*May 2, 2010 by bwb*

**math**

The Jones family was one of the first to come to the U.S. They had 5 children. Assuming that the probability of a child being a girl is .5, find the probability that the Jones family had.
*July 14, 2014 by Anonymous*

**english**

need some social interaction activities which i can use in a clasroom teaching EFL.Children will be given a story about a boy and girl going on picnic.While the boy was reading a book and girl was picking flowers bear came and took some food and wanted to scare the boy.A girl ...
*December 13, 2008 by lily*

**BIO**

Which gamete, the egg or sperm, determines if Holly and Edward will have a boy or girl? (A)__________ If in the future Holly and Edward have three boys, what is the probability that their fourth child will be a girl? (B)__________ MY FIRST ANSWER IS SPERM NOT SURE ON THE ...
*May 26, 2014 by carrie*

**Genetics**

Phenylketonuria, a Metabolic disease in humans, is caused by a recessive allele, k. If two heterozygotes marry and plan a family of six children: a)what is the probability that all will be unaffected? b)what is the probability that three will be unaffected and three will be ...
*September 2, 2011 by Tommy*

**Math**

Hi can someone help assist me with my math problems dealing with probability If 80% of scheduled flights actually take place and cancellations are independent events, what is the probability that 3 separate flights will all take place? A) 0.51 B) 0.01 C) 0.64 D) 0.80 ...
*April 2, 2010 by Hannah*

**Statistics**

A statistician believes that in her town each child born has a 50% chance of being a girl, independently of all other children. There are 281 three-child families in her town; 39 of these families have no girls, 94 have one girl, 115 have two girls, and the remaining 33 have ...
*August 25, 2013 by Anesia*

**Data Management**

a couple is planning to have seven children. what is the probability that at least 3 of the children will have a birthday in the same month
*January 22, 2014 by Anon*

**physics**

Two children float motionlessly in a space station. The 20-kg girl pushes on the 40-kg boy and he sails away at 1.0m/s. What happens to the girl?
*October 11, 2011 by Anonymous*

**Physics -URGENT-**

A 55 kg boy and a 37 kg girl use an elastic rope while engaged in a tug-of-war on a frictionless icy surface. If the acceleration of the girl toward the boy is 2.4 m/s^2, determine the magnitude of the acceleration of the boy toward the girl in m/s^2
*October 6, 2013 by Natalie*

**science**

A 63 kg boy and a 44 kg girl use an elastic rope while engaged in a tug-of-war on a frictionless icy surface. If the acceleration of the girl toward the boy is 1.7 m/s 2 , determine the magnitude of the acceleration of the boy toward the girl
*September 12, 2011 by jasmine*

**physics6**

A 64-kg boy and a 42-kg girl use an elastic rope while engaged in a tug-of-war on an icy frictionless surface. If the acceleration of the girl toward the boy is 3.5 m/s2, determine the magnitude of the acceleration of the boy toward the girl.
*December 11, 2011 by Hannah*

**PHYSICS**

55 kg boy and a 37 kg girl use an elastic rope while engaged in a tug-of-war on a frictionless icy surface. If the acceleration of the girl toward the boy is 2.4 m/s 2 , determine the magnitude of the acceleration of the boy toward the girl in m/s^2
*October 6, 2013 by Natalie*

**physic**

A 57 kg boy and a 42 kg girl use an elastic rope while engaged in a tug-of-war on a frictionless icy surface. If the acceleration of the girl toward the boy is 3.4 m/s2, determine the magnitude of the acceleration of the boy toward the girl. Answer in units of m/s2.
*September 22, 2010 by Wendia*

**Physics **

A 57 kg boy and a 45 kg girl use an elastic rope while engaged in a tug-of-war on a frictionless icy surface. If the acceleration of the girl toward the boy is 1.5 m/s2, determine the magnitude of the acceleration of the boy toward the girl. Answer in units of m/s2
*October 14, 2012 by Jessica*

**physics**

A 58 kg boy and a 38 kg girl use an elastic rope while engaged in a tug-of-war on a frictionless icy surface. If the acceleration of the girl toward the boy is 3.1 m/s 2 , determine the magnitude of the acceleration of the boy toward the girl. Answer in units of m/s 2
*September 13, 2013 by Shareka*

**physics**

A 38.3 kg girl and a 55.4 kg boy are on the surface of a frozen lake, 10.0 m apart. Using a rope, the girl exerts a horizontal 5.50 N force on the boy, pulling him toward her. Calculate the magnitude of the girl's acceleration.
*February 28, 2012 by meyer *

**physics**

A 38.5 kg girl and a 57.0 kg boy are on the surface of a frozen lake, 10.0 m apart. Using a rope, the girl exerts a horizontal 5.55 N force on the boy, pulling him toward her. Calculate the magnitude of the girl's acceleration
*October 4, 2012 by kay*

**Physics**

60.0 kg boy and a 40.0 kg girl are sitting in identical office chairs in a large warehouse. The coefficients of static and kinetic friction between the chairs and the horizontal floor are both 0.250. The boy puts his feet up against the girl’s chair and pushes it with a ...
*April 2, 2012 by LEBZA*

**Physics**

A 43.3 kg boy and a 60.0 kg girl are on the surface of a frozen lake, 10.5 m apart. Using a rope, the boy exerts a horizontal 5.90 N force on the girl, pulling her toward him. Calculate the magnitude of the boy's acceleration.
*January 25, 2011 by Megan*

**Physics please help!!**

A 43.3 kg boy and a 60.0 kg girl are on the surface of a frozen lake, 10.5 m apart. Using a rope, the boy exerts a horizontal 5.90 N force on the girl, pulling her toward him. Calculate the magnitude of the boy's acceleration.
*January 25, 2011 by Megan*

**math**

You meet a woman who tells you. "I have two children. One of them is a boy." What is the probability that both children are boys?
*March 29, 2011 by Jamie*

**physics**

A 45 kg boy is holding a 12 kg pumpkin while standing on ice skates on a smooth frozen pond. The boy tosses the pumpkin with a horizontal speed of 2.8 m/s towards a 37 kg girl who catches it. The girl is also wearing ice skates. What are the final speeds of the boy and the girl?
*March 3, 2014 by Hal*

**Math probabilty**

An amusement park, Dino World, considering adding some new attractions, conducted a study over several typical days and found that, of 10,000 families entering the park, 1020 brought just one child (defined as younger than age 12), 3370 brought two children, 3510 brought three...
*July 10, 2011 by sky*

**math**

Assuming boy and girl babies are equally likely, find the probability that it would take a) at least three births to obtain two girls b) at least four births to obtain two girls c) at least five births to obtain two girls
*November 15, 2012 by Andrew*

**math**

Assuming boy and girl babies are equally likely, find the probability that it would take a) at least three births to obtain two girls b) at least four births to obtain two girls c) at least five births to obtain two girls
*November 16, 2012 by Andrew*

**Probability**

I have two children. One of them is a boy born on a Tuesday. What is the probability they are both boys?
*August 30, 2010 by Diane*

**Physical Science**

A 30 kg girl and a 25 kg boy face each other on friction-free roller blades. The girl pushes the boy, who moves away at a speed of 1.0 m/s. The girl speed is _______ m/s?
*March 20, 2009 by Donna*

**physical science**

a 30 kg girl and a 25 kg boy face each other on friction-free roller blades.the girl pushes the boy,who moves away at a speed of 1.0 m/s.the girl,s speed is _ m/s.
*May 4, 2012 by Anonymous*

**physical science**

a 30 kg girl and a 25 kg boy face each other on friction-free roller blades.the girl pushes the boy,who moves away at a speed of 1.0 m/s.the girl,s speed is _ m/s.
*May 4, 2012 by Anonymous*

**Latin**

I took out the Latin Rosetta Stone from the library and im at the end of lesson 11 these 2 picture are confusing me bc of the endings. One picture has a girl with short hair, the other a boy w short hair. For girl it says "Femina capillos breves habet" boy it says "Vir ...
*June 14, 2009 by Kim*

**Science**

A 55 kg boy and 40 kg girl usa a rope while engaged in a tug-of-war. If the girl accelerates towards the boy at 5.1 m/s/s, what is the acceleration of the boy towards the girl? The force on the rope is the same both ways. Forceonrope=massgirl*accelerationgirl solve for the ...
*December 29, 2006 by leafprincess*

**Math(Probability)**

**Describe the outcome space** (a)If a Families that have three children each and select one such family at random. Describe the sample space S in terms of their children as 3-tuple, agreeing for example that "gbb" would indicate that the youngest is a girl and two oldest are ...
*March 16, 2011 by Melissa*

**Physics**

a 40kg girl and a 30kg boy face each other on friction free roller skates. the boy pushes the girl,
*May 19, 2014 by Leah*

**math**

Consider a die with eight sides, marked one, two, three, and so on. Assuming equally likely outcomes, find the probability that the sum of two dice is the given number. (Enter the answer either as a fraction or as a decimal rounded to three places.) (a) P(2) = 1 (b) P(5) = 2 (...
*August 24, 2012 by Anonymous*

**probability**

There are four children of different ages in a family. Their mom purchases six dierent gifts and decides to divide the gifts randomly between the children. Assuming that a child can receive no gift or multiple gifts, answer the following questions: (a) What is the ...
*September 7, 2014 by navera*

**statistics**

If boys and girls are equally likely to be born, what is the probability that in a randomly selected family of 6 children, there will be at least one boy? (Find the answer using a formula. Round your answer to three decimal places.)
*March 30, 2014 by jose*

**math**

if you have a bill of 1.354 pesos ( philippines money) how can you it equal to a three family. example .Daniel 2 children Rolando 4 children Dante 5 children. how much will he pay per head of the family in order to equal a bill of each children to a bill of 1.354?
*January 1, 2011 by Greg*

**Math**

If boys and girls are equally likely to be born, what is the probability that in a randomly selected family of 8 children, there will be at least one boy? (Find the answer using a formula. Give your answer correct to three decimal places.)
*June 6, 2013 by Nora 59*

**Math/157**

A human gene carries a certain disease from the mother to the child with a probability rate of 53%. That is, there is a 53% chance that the child becomes infected with the disease. Suppose a female carrier of the gene has three children. Assume that the infections of the three...
*March 20, 2010 by anony*

**Probability MATH**

can someone please check my answers. 7. A married couple is expecting another child. They already have 3 boys. What are the chances of them having another boy? 1/4 8. After having had the four boys the couple is expecting another child. What is the chance of them having ...
*December 2, 2014 by Sarah*

**math**

I feel as though I am missing something here...Suppose a family wants to have 3 children. Find the probability that the family has at least 1 boy. Help?
*March 13, 2012 by Emily*

**math**

I feel as though I am missing something here...Suppose a family wants to have 3 children. Find the probability that the family has at least 1 boy. Help?
*March 13, 2012 by Emily*

**probabilty**

When I go to the local music store the probability I can buy any particular CD I want is 2/5, but if I go to the department store in nearby Tadchester the probability is 5/6. I want to buy two particular CDs. What is the probability that (a)I can get them both locally (b)I ...
*May 11, 2009 by Anonymous*

**english paper help highschool**

I'm writing a paper on love and I'm comparing boy/girl love veruses family love of 4 different characters. I have a definition for boy/girl love but I can't seem to find a definition for family love. Can you help please?
*July 6, 2009 by anna*

**math**

Chances are 50-50 that a newborn baby will be a girl. For families with five children, what is the probability that all the children are girls
*November 24, 2012 by joe*

**math probabilty**

Find the (theoretical) probability of the given event, assuming that the coins are distinguishable and fair, and that what is observed are the faces uppermost. Six coins are tossed; the result is at most one head.
*December 5, 2010 by Liz*

**Literature Opinion Please Read**

I need your opinion on something. If you are a boy please refer to a girl. If you are a girl please refer to a boy. Ok now if you are doing a play for Romeo and Juliet and you had the opposite gender would you sound like yourself or would you try to sound like a girl or boy. ...
*February 25, 2009 by Kiki*

**math**

Suppose that China’s population policy is modified so that every family could have children until either a boy is born or until a maximum of four children are born, whichever comes first. Assume that every family chooses to have as many children as possible under this policy, ...
*May 11, 2013 by emma*

**science**

5a 30 kg girl and a 25 kg boy face each other on friction -free roller blades . the girl pushes the boy ,who moves away at a speed of 1.0 m/s . the girls speed is how many m/s /
*September 19, 2010 by Rich *

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