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

24,292 questions
1. statistics

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

asked by camera on May 8, 2010
2. 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

asked by Gbotty on March 1, 2017
3. 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

asked by Lynn on August 8, 2005
4. 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

asked by thankyou on September 6, 2014
5. 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

asked by Punkie on November 18, 2009
6. Statistics

In planning a family of 4 children assume boys and girls are equally likely on each birth. Find (i) the probability distribution (ii) the expected number of boys (iii) the standard deviation of the number of boys.

asked by Donald Crentsil on March 17, 2011
7. 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

asked by b on October 2, 2016
8. 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

asked by Hinal on December 13, 2016
9. 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

asked by Anonymous on December 13, 2016
10. 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?

asked by Judy on January 24, 2010
11. 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.

asked by Anonymous on November 4, 2009
12. 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.

asked by Justin on December 9, 2009
13. statistic

The random variable x represents the number of boys in a family with three children. Assuming that births of boys and girls are equally likely, find the mean and standard deviation for the random variable x.

asked by Kim on August 20, 2013
14. Math

Which table correctly fills in the ratio table below? Boys 3 6 ___ 21 Girls 2 4 6 ____ A. Boys 3 6 9 21 Girls 2 4 6 20 B. Boys 3 6 9 21 Girls 2 4 6 8 C. Boys 3 6 13 21 Girls 2 4 6 8 D. Boys 3 6 9 21 Girls 2 4 6 14 I believe the answer is B Could you please

asked by Matt on September 28, 2016
15. psychology

Researchers have found that, during childhood: A) girls' gender schemas are more rigid than boys' gender schemas. B)when boys play with girls, the boys lose status. C)boys like it when girls dress and behave like boys. D)girls express stronger preferences

asked by missy on October 10, 2011
16. 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

asked by Anonymous on June 3, 2009
17. data management gr.12

The Infinity Club consists of 5 boys and 6 girls. How many working groups of 5 people can be formed with: a)no restrictions (my answer is 11C5) b)all boys (is this correct 5C5) c)all girls (answer 6C5) d)more girls than boys (6C4x5C1 +6C3x5C2) e)more boys

asked by Ben on October 13, 2016
18. check math

If boys ad girls are equally likely to be born, what is the probability that in a randomly selected family of eight children, there will be at least one a boy. Answer 0.984

asked by Sue on June 1, 2013
19. Math

Problem: Ms. Ashol has 20 boys and 16 girls in her mathematics class. If she chooses two students at random to work on the blackboard, what is the probability that both students chosen are girls? What I did : I added the boys and girls 36 (16c2)/(36c16)

asked by Ed on September 24, 2019
20. Math

A class has 5 girls 7 boys in seventh grade. 2 girls and 2 boys in eight. Randomly selects a seventh and eight grader. What is probability that the students picked are girls

asked by Jill on March 13, 2018
21. math

The Infinity Club consists of 5 boys and 6 girls. How many working groups of 5 people can be formed with: a)no restrictions (my answer is 11C5) b)all boys (is this correct 5C5) c)all girls (my answer 6C5) d)more girls than boys (answer 6C4x5C1 +6C3x5C2)?

asked by Anonymous on October 13, 2016
22. statistics

Please analyze the following data using the T-test for Unpaired data: A school district wants to determine if the girls are equal to boys in test scores. They took a random sample of 22 8th grade girls and 24 8th grade boys. The district looked at recent

asked by Barbara on February 28, 2010
23. Math

Mrs.Smith's class has 12 girls and 8 boys. What percent of he class are girls? [#boys/girls+boys]*100 = percent I didn't read the problem very carefully. The calculation above is percent boys. Percent girls is done similarly but use # girsl instead of #

asked by hALIDA on May 3, 2007
24. Math

If the ratio of girls to boys on the swim team is 2:3, which of these shows the possible number of girls to boys: A. 20 girls, 35 boys B. 24 girls, 36 boys

asked by Nickie on September 22, 2010
25. 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

asked by Andrew on November 15, 2012
26. 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

asked by Andrew on November 16, 2012
27. Math

If the ratio of girls to boys on the track team is 5 to 6 which of these shows possible numbers of girls to boys on the track team? A.24 girls 20 boys B.50girls 56 boys C.60 girls 50 boys D. 20 girls 24 boys D?

asked by Jerald on November 27, 2012
28. statistics

A professor who teaches a number of courses is choosing a team of 4 boys and 3 girls from among his graduate students to help with the setup of the labs in his courses. He has 12 graduate students of 6 boys and 6 girls. Assuming that the order of students

asked by angela on November 13, 2014
29. math

there were 490 altogether in 2 groups. group A consited of only boys and group b constied of only girls. ther were 2 and a half times as many girls as boys. some girls joined group b and foe every 4 boys in group a 32 more boys jioned the group. the total

asked by t on March 1, 2012
30. 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?

asked by Please do help urgently on May 1, 2016
31. Math

What percentage of the students who chose biking were girls? Chart Walking Boys= 3 Girls=6 Biking Boys=5 Girls=3 Skateboarding Boys=2 Girls=1 A. 30% B. 37.5% C. 40% D. none of these Is the answer D? Thank you

asked by Nikita on March 31, 2015
32. 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.)

asked by jose on March 30, 2014
33. math

Two representatives are chosen at random from a group of 100 students that has 50 girls and 50 boys. What is the probability that the representatives seledted are either both boys or both girls?

asked by karen on March 13, 2012
34. math

if there are 19 boys and 24 girls in the math class. 10 boys and 15 girls are freshman. if you randomly choose a student, what is the probability that it will be a girl or freshman?

asked by jenn on November 1, 2016
35. English Expression

A: How many boys and girls are there in the park? B: There are five boys and girls in the park. --------------------- What is the meaning of B? Does it mean that there are only 5 people including boys and girls? Or does it mean that there are 10 people; 5

asked by John on April 18, 2008
36. Math

An all girl college began enrolling boys in 2005. By 2012 the ratio of boys to girls was 3 to 7. If there are 200 more girls than boys how many boys are there?

asked by Michelle on September 6, 2014
37. 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.)

asked by Nora 59 on June 6, 2013
38. Math

What percentage of the boys chose walking? Chart Walking Boys= 3 Girls=6 Biking Boys=5 Girls=3 Skateboarding Boys=2 Girls=1 A. 30% B. 45% C. 25% D. None of these Is the answer A? Thank you

asked by Nikita on March 31, 2015
39. Math

Probability -if desks are grouped by 4 and if there are 11 boys and 13 girls in a class what is the probability that I will get placed in a group of all girls?

asked by Olivia on October 14, 2008
40. 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

asked by juan777 on January 23, 2012
41. Education

Ms. Ng has a class that is half boys and half girls. Given findings on gender differences in verbal and spatial ability, which of the following is she most likely to find? A) few if any noticeable differences in the achievement of boys and girls B) the

asked by Lor on September 25, 2013
42. Math

What percentage of the total students chose skateboarding? Chart Walking Boys= 3 Girls=6 Biking Boys=5 Girls=3 Skateboarding Boys=2 Girls=1 A. 10% B. 20% C. 30% D. None of these Is the answer D? Thank you

asked by Nikita on March 31, 2015
43. 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

asked by meep on January 12, 2013
44. Statistics

A family consists of ten children. Assuming that the sexes are equally probable, find the expected number of boys in the family. What is the probability that the expected number of boys will not occur? (Not sure where to start) I got partial credit and I

asked by Megan on October 19, 2015
45. math

A school debate team has 4 girls and 6 boys. A total of 4 of the team members will be chosen to participate in the district debate. What is the probability that 2 girls and 2 boys will be selected? A.3/7 B.4/10 C.1/14 D.1/210

asked by Curt on February 28, 2017
46. Math

For every girl taking classes at the martial arts school, there are 3 boys who are taking classes at the school. If there are 236 students taking classes, write and solve a porportion to predict the number of boys taking the classes at the school. So

asked by Dutches on October 12, 2006
47. AED 204

Check the Main forum to see which discussion cluster your teacher has assigned you to work with. In this cluster, you and your peers must discuss the effect of at least three of the above misconceptions on education. The one that she assigned me is Boys

asked by Rayna on June 15, 2010
48. Math

There are 12 girls and 9 boys in Mrs. Johnson's classroom. She said that if she randomly selects one student from her classroom the probability that it is a boy is 3/4. Which mistake did Mrs. Johnson make? A. She divided the number of girls by the total

asked by Anne on March 20, 2013
49. Math

There are 12 girls and 9 boys in Mrs. Johnson's classroom. She said that if she randomly selects one student from her classroom the probability that it is a boy is 3/4. Which mistake did Mrs. Johnson make? A. She divided the number of girls by the total

asked by Willow on March 20, 2013
50. math probability

3 people are selected at random without replacement out of 12 girls and 3 boys. What is the probability of selecting all girls?

asked by Anonymous on April 19, 2011
51. Counting and Probability

If 4 boys and 5 girls are seated in a row of 9 chairs, what is the probability that the 2 girls will sit next to each other?

asked by Anonymous on September 27, 2016
52. math

2 students are chosen at random from a group of 120 students that has 60 boys and 60 girls. What is the probability that the students are either both boys or both girls

asked by A on January 20, 2015
53. statistic

5. Decide whether the following experiment is a binomial experiment. Explain your answer. A researcher observes the gender of the next 100 babies born at a local hospital. The boys and girls are equally likely. The random variable represents the number of

asked by tim on May 20, 2015
54. value

Aclass has 14 boys and 6 girls.suppose three students are selected at random from the class.find the probability that they are all boys

asked by value on August 17, 2016
55. 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

asked by Lynn on June 7, 2013
56. 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

asked by Huruva Nomore on August 13, 2016
57. math

the ratio of boys to girls is 7:8 How many boys are there in school if there are 968 girls? My answer is 581 boys is this correct??

asked by jill on September 10, 2015
58. maths

When 6 boys were admitted and 6 girls left the %of boys increased from 60% to 75% . Find the original no. Of boys and girls in the clasa

asked by sanjay on July 5, 2015
59. Math

3/5 of the students in a class were boys. The teacher divided the boys equally into groups so that each group of boys had 1 10 of the number of students in the class. The teacher then divided the girls equally into groups such that each group of girls had

asked by Stela on August 5, 2016
60. Math

Students surveyed boys and girls separately to determine which sport was enjoyed the most. After completing the boy survey, it was determined that for every 3 boys who enjoyed soccer, 5 boys enjoyed basketball. The girl survey had a ratio of the number of

asked by Tee on September 17, 2014
61. maths

There ere 258 pupils in the hall.If 1/3 of the boys left the hall and 22 girls entered the hall, there would be an equal number of boys and girls in the hall. 1) How many boys were in the hall at first? 2)Ho many more boys than girls were in the hall at

asked by srihita on March 26, 2012
62. Diversity in the Classroom

I need to explain why these misconceptions are not true. Could you please help me with this? 1. Boys who participate in the arts are more likely to be homosexual. 2. Girls are more interested in domestic arts than boys. in auto shop and wood shop than

asked by B.B. on April 25, 2009
63. proof read these 2 sentences

There are so many gifted athletes on both the boys and the girls side it is unbelievable. On any given Sunday there is a log jam of competitors on multiple tours (AJGA, TJGT, FCWT, etc.) all trying to out shoot each other and go low to take the tournament!

asked by Anonymous on December 21, 2007
64. Math

A math class has girls and boys in the seventh grade and girls and boys in the eighth grade. The teacher randomly selects a seventh grader and an eighth grader from the class for a competition. What is the probability that the students she selects are both

asked by MADISON on May 1, 2013
65. Math

A science class has 3 girls and 7 boys in the seventh grade and 5 girls and 5 boys in the eighth grade. The teacher randomly selects a seventh grader and an eighth grader from the class for a competition. What is the probability that the students she

asked by Jay on December 7, 2018
66. Algebra

A math class has 7 girls and 5 boys in the seventh grade and 4 girls and 4 boys in the eighth grade. The teacher randomly selects a seventh grader and an eighth grader from the class for a competition. What is the probability that the students she selects

asked by Anesha on February 22, 2016
67. math

there is a graph, and the title is Students who dress up for spirit week.60 grade 7 boys did,70 grade 7 girls did,70 grade 8 boys did, and 80 gr 8 girls did. the question is what this graph is showing. I put the graph is showing how many gr 7 boys dressed

asked by beeca on January 31, 2009
68. Theories and issues in working with school-age chi

According to the National Center for Educational Statistics, which of the following is a false statement? A. Boys are more likely than girls to fail or drop out of school. B. When it comes to grades and homework, boys outperform girls in elementary,

asked by Amanda on October 24, 2014
69. math

The ratio of boys to girls is 3 to 7. If there are 200 more girls than boys, how many boys are there? Use a tape diagram to solve.

asked by latonya on September 22, 2014
70. layla

Mrs. Baker has to choose 2 students to lead the class field trip. If she draws from a list of 6 boys and 6 girls, what is the probability that 2 girls will be drawn? (Please Help!) A.1/7 B.5/24 C.5/22 D.5/6

asked by math on April 24, 2011
71. Math

Nicole drew a circle on the chalkboard that had a radius of 15 cm. Which is closest to the circumference in centimeters of the circle she drew on the board? A.30cm B.45cm C.24cm D.90cm D Which statement is not supported by the information in the graph? 6th

asked by Jerald on June 4, 2013
72. Math

If there are 5 boys and 7girls, in how many ways can 5 boys and 5girls sit in a round table? Is the ans : 5!*4!*7c5? Reason: since there are 5 boys so (5-1)! And left 5 seats for girls so 7c5 and within the girls theres 5 diffrent ones so another 5!

asked by Math on September 5, 2016
73. problem solving

A play is being put on at the school. There are 9 possible roles for girls who are trying out and 10 roles for boys who are trying out. If 16 girls and 12 boys try out, and everyone acts perfectly the same as one another, what percent of chance do the

asked by Jill on April 13, 2010
74. 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

asked by Anthony Jackson on April 24, 2016
75. Math

Heres a challenge: six students(4 boys and girls) were divided into three pairs. given this information. What is the probability of 2 girls making 1 pair? Express as a common fraction. Oh and please explain!!

asked by Samantha on March 30, 2011
76. English

Which of the following sentences demonstrates proper subject verb agreement? A. The boy or the girls come to school late B. The boys and girl visits my house C. The boys or the girls sing in the choir D. The boys and girl in our club is in the cafe.

asked by Sean on February 24, 2018
77. 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

asked by Anonymous on September 18, 2017
78. Algebra 2 - stats and probability

I need someone to tell me how to set these up please? 1. A box contains 4 quarters. 2 of the quarters have the American eagle on the back. Suppose you draw 2 quarters at random with replacement. a. What's the probability that both have the American eagle

asked by Kay on May 13, 2009
79. Math

can you please help me work on this problem? I have a few and I want to know how to figure it out: The ratio of boys to girls in a class is 5 to 6. How many boys at in the class if there is a total of 121 students. I guessed 55 boys and 66 girls?

asked by Ana on January 28, 2017
80. Geography

The Ratio of boys to girls was 3 to 7. If there were 40 more girls boys in 2016 how many boys were enrolled that year?

asked by Precious on November 1, 2016
81. math

In a certain high school class, consisting of 60 girls and 40 boys, it is observed that 24 girls and 16 boys wear eye glasses, if a student is picked at random from this class. What is the probability that student picked at random is a boy, what is the

asked by suhad on February 22, 2013
82. DIVERSITY IN THE CLASSROOM

Create a 12- to 15-slide Microsoft® PowerPoint® presentation addressing the following points: o Explain ways to debunk three of the five gender misconceptions listed above based on the results of the peer discussion and your own University Library

asked by scooby on May 3, 2010
83. aed204

• Create a 12- to 15-slide Microsoft® PowerPoint® presentation addressing the following points: o Explain ways to debunk three of the five gender misconceptions listed above based on the results of the peer discussion and your own University Library

asked by scooby on May 2, 2010
84. math

There are 27 students in Mrs. Reeds class. The number of boys and number of girls are both composite numbers. There are 3 more girls than boys. How many girls and how many boys are in the class?

asked by sam on April 10, 2013
85. A class has the same number of girls and boys only

Aclass has the same number of girls and boys only eight boys were absent on aparticular day and the number of girls was doublethe number of boys what is the number of boysand girls ?

asked by Equations on July 10, 2017
86. math

300 hundred kids attend a dance. The ratio of boys to girls is 6 to 4. If 30 boys and 20 girls leave, what is the new ratio of boys to girls still at the dance

asked by john on January 10, 2013
87. Statistics and probability

A science class has four girls and four boys in the seventh grade and three girls and five boys in the eighth grade the teacher randomly selects a seventh grader and an eighth grader from the class for competition what is the probability that the student

asked by Kelly on December 11, 2017
88. algebra

A math class has 3 girls and 7 boys in the seventh grade and 2 girls and 2 boys in the eighth grade. The teacher randomly selects a seventh grader and an eighth grader from the class for a competition. What is the probability that the students she selects

asked by Anneasha on June 16, 2018
89. statistics

If boys and girls are equally likely and groups 400 births are randomly selected find the standard deviation

asked by Anonymous on March 19, 2014
90. 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?

asked by maggie r on October 16, 2007
91. Statistics

A researcher performs a hypothesis test to test the claim that among girls aged 9-10, the mean score on a particular aptitude test differs from 72, which is the mean score for boys of the same age. Data were collected from a random sample of 43 girls aged

asked by Katie on November 8, 2013
92. math

In a class of 80 seniors, there are 3 boys for every 5 girls. In the junior class, there are 3 boys for every 2 girls. If the two classes combined have an equal number of boys and girls, how many students are in the junior class?

asked by allie on July 9, 2013
93. Math

Im trying to help my daughter with some math homework and Im stuck can you help me please this is the problem Jeremy has been home sick with the flu for the last 7 days. While absent from school, he got 31 get well cards from friends. there were 5 more

asked by Jay on November 15, 2012
94. 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.

asked by jax on July 15, 2016
95. math

Ms Price has three times as many girls as boys in her classroom Ms Lippy has twice as many girls as boys. Ms. Price has 60 students, and Ms Lippy has 135 students. If the classes were combined into one, what would be the ratio of girls to boys?

asked by Hector on October 20, 2009
96. math

In a certain high school class, consisting of 60 girls and 40 boys , it is observed that 24 girls and 16 boys wear eyeglasses. If a student is picked at rondom from this class, the probability that the student wears eyeglasses is 40/100. what is the

asked by probability on December 2, 2016
97. Math

A class is made up of 10 boys and 2 girls. Half of the boys wear glasses. A student is selected at random from the class. What is the probability that the student is a boy with glasses? My Question is, I don't know how to do Probability.

asked by Emily on April 27, 2009
98. Statistics normal distribution

54% of the children in a large city are boys. Using a suitable approximation, calculate the probability that a random sample of 1000 children contains more boys than girls ?

asked by Kelvin on June 1, 2013
99. 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?

asked by louis on April 16, 2008
100. Health

1. Which of the following secondary sex characteristics do not develop during teen years? A. development of breasts in girls B. development of body hair in boys C. development of ovaries in girls testes in boys*** D. development of acne in boys Is C.

asked by Amber on August 17, 2015