# A couple plans to have three children. Assuming the probabilty of having either a boy or girl is equal, find the probability of getting all boys to the nearest thousandths

213,801 results

### 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

### Probability

A couple plans to have three children. What is the probability that a) they have all boys? b) they have at least one girl?

### math

A couple plans to have three children. What is the probability that a) they have all boys? b) they have at least one girl?

### math

A couple plans to have three children. What is the probability that a) they have all boys? Preview b) they have at least one girl?

### 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 ...

### 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.

### 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 that boy and girls are equally probable each time, ...

### 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!

### Math

#1: A couple plans on having 3 children, how do I create a tree diagram with 8 possible outcomes? #2: (What is the theoretical probability of having a girl, and what is the theoretical probability of having a boy?) #3: How do you do theoretical probability?

### 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? ...

### 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 ...

### 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 ...

### math

Myrza has three children a.If his oldest child is a girl, what is the probability that all the children are girls ? b.Given at least one of them is a boy, what is the probability of all of them are boys ?

### 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 ...

### math

Assuming boy and girl babies are equally likely, find the probability that a family with three children will have exactly 1 boy

### 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?

### stat

couple plans to have four children what is the probability that three are girls and one is a boy

### 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 ...

### Math

A family has three children. Assuming a boy is as likely as a girl to have been born, what is the following probability? Two are girls and one is a boy.

### math

What is the probability that exactly three children in a family of five children will be boys? Assume that P(boy)=P(girl)

### 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.

### 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?

### 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 ...

### Statistics

Assuming that the probability of male birth is 0.5,find the probability that in the family of 4 children there will be A. 1 boy B. 2 boys C. At least a boy

### 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?

### Statistics

Survey of 115 families chosen at random, having 5 children it was observed that the distribution was as follows The 5 children are girls is 6 There is one boy and four girls is 18 There are two boys and three girls is 35 There are three boys and two girls is 30 There are four ...

### 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?

### math

A newlywed couple wishes to have 3 children. What is the probability of having exactly 2 boys?

### probability

a teacher holds 40 class cards of 14 girls and 26 boys. shes huffles the cards and drawn one. a. what is the probability that the card drawn is a girl's card? b. what is the probability that the card belongs to a boy? c. what is the probability that the cards belongs to either...

### Maths

It is assumed that when children are born they are equally likely to be boys or girls.What is the probability that a family of four children contains (a) three boys and one girl (b) two boys and two girls

### Math

There are 4 children in a family, Find the probability that there is atleast 1 boy if it is equally likely to have a boy or girl?

### Probability Help

Assume that the probability of a boy being born is the same as the probability of a girl being born. Find the probability that a family with five children will have at least one boy. 1, 4/5, 13/16, 1/32, 31/32 Can someone please explain? Thank you

### statistic

Three Children – A couple are planning to have 3 children. What is the sample space for three children? (What are all the possible outcomes for three children? Assume that boys and girls are equally likely, so that the sample events are equally likely.

### Math

A school has an equal number of boys and girls. You use a coin to simulate the first three students to arrive at school each day, where “heads” represents a boy and “tails” represents a girl. The table below shows a sample of 20 coin tosses T H T T T T T H T H T H H H ...

### 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).

### Math Help

Assume that the probability of a boy being born is the same as the probability of a girl being born. Find the probability that a family with five children will have at least one boy.

### 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 ...

### 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 ...

### 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).

### 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). ??????

### Geometry Probability

Favorite Summer Activity for 50 Children Reading Sports Swimming TOTAL Boys 2 20 8 30 Girls 4 7 9 20 TOTAL 6 27 17 50 P(Boy if favorite activity is swimming) 0.26 P(Girl if favorite activity is sports) 0.45 P(Girl if favorite activity is reading) 0.20 P(Boy if favorite ...

### 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 ...

### 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 ...

### 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 ...

### 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?

### math

Five boys and seven girls in a history class will go on a field trip during the Easter vacation. They make a committee of three members to prepare for the trip. What is the probability that this committee will consist of three boys? What is the probability that the committee ...

### 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.

### 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 ...

### statistics

Find the probability that in a family of 4 children there will be (a) at least 1 boy (b) at least 1 girl and 1 boy. Assume that the probability of a male birth is 1/2.

### statistics

Let the random variable x represent the number of girls in a family with three children. Assume the probability of a child being a girl is 0.46. The table describes the probability of having x number of girls.Determine whether the table describes a probability distribution. If...

### statistics

Let the random variable x represent the number of girls in a family with three children. Assume the probability of a child being a girl is 0.42. The table on the right describes the probability of having x number of girls. Determine whether the table describes a probability ...

### Statistics

A youth group has 7 boys and 5 girls. Experiment is select 5 people at random from the group. Let X be the number of boys in the selected 5 people. (a) Find the probability of exactly 1 boy, i.e., P([X = 1]). (b) Find the probability of exactly 2 boy, i.e., P([X = 2]). (c) ...

### Geometry

When Ms Shreve randomly selects a student in her class, she has 1/3 probability of selecting a boy. A: If her class has 36 students, how many boys are in her class? B: if there are 11 boys in her class, how many girls are in her class? C: what is the probability that she will ...

### 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?

### Probability

I have two children. One of them is a boy born on a Tuesday. What is the probability they are both boys?

### 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 ...

### Probability

In how many ways can 4 boys and 4 girls sit around a circle table if all the boys sit together? (Rotations of the same arrangement are still considered the same. Each boy and girl is unique, not interchangeable.) Thank you

### Counting and Probability

In how many ways can 4 boys and 4 girls sit around a circle table if all the boys sit together? (Rotations of the same arrangement are still considered the same. Each boy and girl is unique, not interchangeable.)

### Counting and Probability

In how many ways can 4 boys and 4 girls sit around a circle table if all the boys sit together? (Rotations of the same arrangement are still considered the same. Each boy and girl is unique, not interchangeable.)

### 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 ...

### Counting and Probability

In how many ways can 4 boys and 4 girls sit around a circle table if all the boys sit together? (Rotations of the same arrangement are still considered the same. Each boy and girl is unique, not interchangeable.) I do not understand this!

### 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 ...

### 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?

### MAth

840 stickers were given to 42 children. ⅔ of the children were boys, and each of them received the same number of stickers. Each girl received twice as many stickers as each boy. How many stickers did each girl receive? Explain how you got your answer.

### Algebra

Suppose that the genders of the three children of a family are soon to be revealed. An outcome is represented by a string of the sort GBB (meaning the oldest child is a girl, the second oldest is a boy, and the youngest is a boy). The 8 outcomes are listed in the table below. ...

### mathematics

in a class of 60 boys and 40 girls, it is observed tha 24 boys and 21 girls wear glasses. what is the probability that: (1)A student is picked at random from this calss wear glasses (2)A girl picked at random does not wear glsses.(3)A boy pivked at random wear glsses.(4)A ...

### math

six girls are to enter a dance with ten boys so that every girl is between two boys. what is the probability that some specified boy remains between two boys?

### Math

The table shows the results of rolling a number cube labeled one through six 50 times. Number Rolled Frequency 1 7 2 9 3 11 4 6 5 9 6 8 1. What is the experimental probability of rolling a 3? 0.11 0.22 0.30 ** 0.27 2. Based on the experimental probability, predict the number ...

### Math

840 stickers were given to 42 children. ⅔ of the children were boys, and each of them received the same number of stickers. Each girl received twice as many stickers as each boy. How many stickers did each girl receive? Explain how you got your answer. Sorry I posted ...

### Math

Use classical probability to calculate each probability. Assume individual outcomes are equally likely. Round your answer to the nearest millionth if necessary. Consider parents with four biological children. Find the probability that all four siblings are boys.

### STAT

The Cox family has 4 boys. •What is the probability of a 4-child family having 4 boys? •What is the probability that the next child of the Cox family will be a boy, given that they have already 4 boys in a row?

### Math

Favorite Summer Activity for 50 Children Reading Sports Swimming TOTAL Boys 2 20 8 30 Girls 4 7 9 20 TOTAL 6 27 17 50 P(Boy if favorite activity is swimming) 0.26 P(Girl if favorite activity is sports) 0.45 P(Girl if favorite activity is reading) 0.20 P(Boy if favorite ...

### statistics, probability

It has been found out that the probability that a child is a male in family is 0.4. In a family of 6 children, what is the probability that; i. exactly 5 are boys ? ii. at least 4 are boys ? iii. all boys

### math

1. A teacher has 10 boys and 12 girls in her grade school class. In how many ways can she select 8 of the children to be in a play if she must select 5 boys and 3 girls. 2. The manager of the various displays in the Acme Fine Clothing Emporium has a window which will hold 4 ...

### Statistics

Achusband and wife with brown eyes who have 0.75 probability of having children with brown eyes, 0.125 probability of having children with blue eyes, and 0.125 probability of having children with green eyes. (a) What is the probability that their ﬁrst child will have ...

### Statitu

Assuming that boys and girls are equally probable find the number of families out of 1600 families each having 5 children, with 3 boys

### Statitic

Assuming that boys and girls are equally probable find the number of families out of 1600 families each having 5 children, with 3 boys

### maths

1. A die labelled A has one face marked 1, one face marked 2 and the other four faces marked 3. A die labelled B has four faces marked 2 and two faces marked 3. The dice A and B are thrown. Calculate the probability is 5. I got 18/36 2. There are 12 boys and 20 girls in a ...

### math (stats)

Enter your answers as decimals or fractions, rather than percents. In a family with 7 children what is the probability of having 4 boys and then 3 girls, in that order? (Exclude multiple births and assume all outcomes are equally likely). Preview In a family with 7 children, ...

### math

What is the probability of selecting a boy and a girl if their are 7 girls and 3 boys.

### 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.)

### 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.)

### 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...

### 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 ...

### statistics

assuming that boys and girls are equally likely, estimate the probability of getting at least 32 boys out of 60 births

### math

It has been found out that the probability that a child is a male in family is 0.4. In a family of 6 children, what is the probability that; i. exactly 5 are boys ? ii. at least 4 are boys ? iii. all boys

### Math

Once there four boys who wanted to cross a street. They were all on the same side. It was night time and they only had one flashlight between them. Only two boys can cross the street at a time, and anyone who crosses , either one or two people, must always have a flashlight ...

### 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...

### 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 ...

### Statistics

23 children born. What is the probability that 22 are boys & 1 is a girl?

### Gr.11 Biology

In humans, muscular dystrophy is a condition in which the muscles waste away during early life, resulting in death in the early teens. It is due to recessive sec-linked gene. A certain couple have 5 children- 3 boys, ages one, three and ten; and 2 girls, ages five and seven. ...

### 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...

### Matha

There are 6 girls and 5 boys. The teachet chooses 2 students random. What is thw probability of selecting a girl then a boy?

### 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?

### LA

Both Ernesto from barrio boy and the boy in A day's wait interact with adults. Ernesto interacts with Ms. Ryan, while the sick boy interacts with his father. In a paragraph, compare and contrast how the boys interact with the adult. focus on how the boys think of the adults, ...

### 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 ...

### Language arts

Both Enersto from Barrion Boy and the boy in a days wait interact with adults. Ernesto interacts with Miss Ryan, while the sick boy interacts with his father.In a paragraph, compare and contrast how the boys interact with adults. Focus on how the boys think of adults how the ...

### 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 ...

### 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?