Monday

September 1, 2014

September 1, 2014

Number of results: 5,628

**statistics**

assuming that boys and girls are equally likely, estimate the probability of getting at least 32 boys out of 60 births
*May 8, 2010 by camera*

**math**

In how many ways can 4 boys and 4 girls sit around a circle table if each boy sits between two girls?
*October 11, 2013 by Epic*

**statistics**

For every 100 births in the U.S., the number of boys follows, approxiamately, a normal curve with a mean of 51 and standard deviation of 5 boys. If the next 100 births in your local hospital resulted in 36 boys (and thus 64 girls) would that be unusual?
*April 5, 2011 by Anonymous*

**math**

3/4 of the students in a school were girls and the rest were boys. 2/3 of the girls and 1/2 of the boys attended the school carnival. Find the total number of students in the school if 330 students did not attend the carnival.
*October 29, 2012 by Nai*

**MATH - URGENT!!!**

There are 5 boys and 4 girls in my class. In how many ways can they be seated in a row of 9 chairs such that at least 3 girls are all next to each other?
*October 6, 2013 by Speedo*

**math**

The 5th grade marching band includes boys & girls. There are 28 boys in a marching band. The boys are 7/10 of the students in the marching band. What fraction of students in the marching band girls? What is the total number of students in the marching band?
*February 24, 2012 by nina*

**math in focus**

at a baseball game, there were three times as many males as females. 5/6 of the males were boys and the rest were men. 2/3 of the females were girls and the rest were women. Given that there were 121 more boys than girls, how many adults were there at the baseball game?
*November 21, 2013 by Anonymous*

**math**

at a baseball game, there were three times as many males as females. 5/6 of the males were boys and the rest were men. 2/3 of the females were girls and the rest were women. Given that there were 121 more boys than girls, how many adults were there at the baseball game?
*October 29, 2012 by scoob *

**Math**

There are 92 boys. There are 14 fewers girls. How many are the girls are there?
*April 30, 2014 by Hannah*

**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 ...
*June 3, 2009 by Anonymous*

**Statistics**

A number of grade school students were asked about their perceived math ability and the results are in the table below. Below Average = BA Average = A Above Average = AV BA A AV Girls 61 54 21 Boys 43 61 42 Test at the 0.01 level if there is a difference between girls and boys...
*December 9, 2012 by Maria Elizabeth*

**Math**

A class consists of 16 boys,12girls, and 2 teachers. How many different committees of size eight can be formed if the committee must consist of 4 boys 3 girls and one teacher?
*February 13, 2013 by Abby*

**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
*April 24, 2011 by math*

**ratio **

if 3 out of every 7 student are boys , write equivanent fractions that can be used to determine how many out of 84 are boys. use a variable to represent the number of boys help me please i need it for tomarrow
*February 22, 2010 by marivel*

**3rd Grade Math**

There are 25 students in Mrs. Roberts 3rd grade class. There are 9 more boys than girls in the class. How many boys and girls are in Mrs. Robert's class? How can I explain this to my 8yr old in 3rd grade? I've got myself so confused in the process of trying to figure it out ...
*October 2, 2012 by Lisa*

**math**

there are 80 students in math club. For every 5 girls, there are 3 boys. How many girls & boys in club.
*June 23, 2011 by mary*

**6th grade Math**

The number of girls in a class is 70% of the number of boys. If the class has 25 boys, how many girls are in the class?
*January 14, 2010 by Vickie*

**Math**

Sustem of equations. I have to solve the system of equations by graphing and solving. Ther are thirty-three students in the Chess Club. There are five more boys than girls in the club. Write and solve a system of equations to find the number of boys and girls in the chess club.
*January 29, 2013 by Alexis *

**Math (9th)**

A classroom contained an equal number of boys and girls. Eight girls left to play hockey, leaving twice as many boys as girls in the classsroom. What was the original number of students present? 32 students? In a recent election at the Dr. John Hugh Gillis High School, Susie ...
*March 29, 2012 by Rezu*

**math**

In a certain class there are 12 boys and 18 girls. If the class average for an algebra exam is 90 and the boys' average score is 87, what is the girls' average score?
*July 16, 2014 by John*

**Statistics**

The variance of the mathematical scores of a sample of 21 high school girls was found to be 100 and that of a sample of 25 high school boys was 169. Test the hypothesis that the scores of the high school boys are more varying that those of the high school girls at alpha = 0.05...
*January 27, 2014 by Anonymous*

**Math**

The mean height of 20 boys and 14 girls is 161 cm. If the mean height of the 14 girls is 151 cm, calculate the mean height of the 20 boys.
*March 8, 2010 by MJ*

**7th grade math help please the REAL ms.sue **

1. Mac’s farm has a total of 18 horses and 27 cows. What is the ratio of horses to cows in simplest form? (1 point) 6 over 9 18 over 27 2 over 3 three over two 2. A class has 27 students. Fifteen are boys and the rest are girls. What is the ratio of girls to total students? (1...
*October 25, 2012 by Delilah*

**math**

there are 40 pupils in a class. each girl is given 5 books and each boy is given 4 books.the girls have 65 more books than the boys. how many more girls than boys are there in the class?
*June 13, 2013 by kyla*

**Math**

A Classroom contains a total of 27 students. The number of girls is 7 more than three the number of boys. How many boys are in the class?
*November 14, 2010 by Camille*

**Math**

How do you solve this equation; There are 128 7th graders at Mark's school, if there are 16 more girls than boys, how many 7th grade boys are there?
*October 13, 2012 by Bill*

**maths**

Suppose that in a class there are 8 people, 5 boys and 3 girls. We want to choose a team of 3 people with 2 boys and 1 girl. How many different groups can be formed?
*September 2, 2013 by Susie*

**Math 117**

A class has 10 boys and 12 girls. In how many ways can a committee of four be selected if the committee can have at most two girls?
*October 3, 2008 by Stephen*

**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?
*April 19, 2011 by Anonymous*

**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?
*October 14, 2008 by Olivia*

**algebra**

There are 384 seventh graders at MArk's school. If there are 48 more girls than boys, how many seventh grade girls are there?
*January 26, 2010 by Anonymous*

**math**

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, what percent of chance does one girl have of getting in? What percent does one boy have?
*April 13, 2010 by Jill*

**basic math**

In one class, there are 15 boys and 30 girls. Approximately what percentage of the students in the class are boys?
*March 12, 2012 by strawberry caca*

**math**

There are 15 students in Marcelo chess club. There are 2 times as many boys as girls . Howm many girls are in the club?
*April 5, 2012 by nick*

**math**

there are 13 boys and 14 girls in mrs greens class if 3 of the students are absent today what is the ratio of students absent to students present?
*April 19, 2014 by kay*

**Writing**

Can you proofread my writing? What grade would you give me? Decisions, Decisions, Decisions Decisions everyone has to make them. Some decisions are hard and important and some are not. The decision I had to make was did I still want to be the statistician for the varsity Girls...
*March 7, 2011 by Madelyn C.*

**Writing**

Can you proofread my writing? What grade would you give me? Decisions, Decisions, Decisions Decisions everyone has to make them. Some decisions are hard and important and some are not. The decision I had to make was did I still want to be the statistician for the varsity Girls...
*March 7, 2011 by Madelyn C.*

**Maths**

A school has 1800 pupils. 55% of the pupils are girls. 30% of the girls and 70% pf the boys travel by bus. a.) How many girls travel by bus? b.) How many boys travel by bus? c.) What percentage of the pupils travel by bus?
*October 7, 2012 by Student56*

**geometry**

Write the equation and solve the problem: A high school graduating class is made up of 512 students. There are 70 more girls than boys. How many boys are in the class?
*November 5, 2009 by Clair*

**Math 5th**

4/7 of a group of children are boys. If there are 18 more boys than girls, how many children are there altogether?
*January 20, 2012 by Patty*

**math ugh"**

A class has 21 students . 10 boys and 11 girls . What fraction of the class is made up of boys
*January 21, 2013 by Anonymous*

**school**

Is there any specialized high school for either girls only or girls and boys seperate?
*February 6, 2010 by Samantha*

**school**

Is there any specialized high school for either girls only or girls and boys seperate?
*February 6, 2010 by Samantha*

**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!!
*March 30, 2011 by Samantha*

**math**

10 girls have their average age 14 year and 12 boys have their average age as 16 years . when 6 boys from these 12 join tha 10 girls,they all together have average age as 14.5 year .what is tha average age of tha remaining 6 boys.
*May 31, 2011 by shweta*

**Math**

a class has 10 boys and 5 girls; three students are selected from the class at random one after other. the probability that the first two boys and the third is a girl??
*August 28, 2012 by math help2*

**7th grade math Ms.Sue please check my answers**

1. Mac’s farm has a total of 18 horses and 27 cows. What is the ratio of horses to cows in simplest form? (1 point) 6 over 9 18 over 27 2 over 3 three over two 2. A class has 27 students. Fifteen are boys and the rest are girls. What is the ratio of girls to total students? (1...
*October 25, 2012 by Delilah*

**Math**

Solve. There are 18 boys in a class. There are w fewer boys than girls. How many students are there in the class?
*April 17, 2013 by Janey*

**math (cant figure it out)**

Activity Boys Girls Total Walk 3 6 Bike 5 3 Skateboard 2 1 Total ______________ What percentage of the total students chose skateboarding? 10% 20% 30% none of these** . 4. What percentage of the boys chose walking? 30%* 45% 25% none of these . 5. What percentage of the ...
*April 20, 2014 by person *

**math**

The drama club has 41 members. There are 9 more girls than boys. How many girls are in the club?
*July 29, 2013 by zeke*

**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 ?
*June 1, 2013 by Kelvin*

**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 ...
*January 12, 2013 by meep*

**Math**

In a middle school 5th grade class there are 5 girls for every 4 boys. all together the class has 27 students. How many boys are in the class?
*October 8, 2012 by Matt Lyon*

**early childhood education**

1)according to the national center for education statistics which of th following is a false statement a)when it comes to grade and homework boys outperform girls in elementary secondary high school college and even graduate school. b)boys are more likely than girls to be ...
*September 28, 2011 by clair*

**maths**

A psychological test was given to 92 teenage boys and 68 teenage girls. The test was used to assign a score to each teenager, measured on the ‘worry scale’–0(not worried) to 100 (very worried).A summary of the results is given in the table below. Score on ‘worry scale’ Choose ...
*May 8, 2011 by olek*

**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 probability that a ...
*February 22, 2013 by suhad*

**math**

In a group of 28, 16 are boys 12 are girls. what fractional part of the group are boys?
*May 10, 2011 by nancy*

**maths**

5/8 of a class is girls what is the percentage of boys[ b] if the class has 32 student how many are boys
*November 12, 2012 by jelaniegabrael*

**Math**

There are 24 students in a class, 16 are girls and 8 are boys. What is the fraction of boys in the class?
*November 20, 2012 by Dar*

**math**

there are 18 boys in a class. there are W less boys than girls. How many students are in the class?
*March 19, 2014 by Anonymous*

**Math**

There are 40 students in a class. There are 4 more boys than girls. How many girls are in the class?
*December 10, 2012 by Help!*

**math**

how many girls are there girls drink 4 cups e/a of water 7 cups are consume by the boys e/a and coach drinks 9 cups of water with a total of 43 cups consume how many girls are in the team
*February 15, 2012 by tomas*

**Maths Percentage**

2/5 of the children in an art club were girls. 1/4 of the girls and 5/6 of the boys took part in a competition. 12 boys did not take part in the competition. a.) What percentage of the pupils in the art club did not take part in the competition? b.) How many girls did not take...
*October 7, 2012 by Unknown Error*

**Fractions**

Last night 16/28 of the tenth grade girls and 19/30 of the tenth grade boys went to go ice skating. Did a greater fraction of tenth grade girls or boys went ice skating? Prove it.
*March 26, 2014 by Dave*

**math**

a class consists of 24 boys and 16 girls.the average weight of the class is 41.7 kg,and the average weight of the boys is 41.1 kg.Find the average weight of the girls.
*November 24, 2012 by wan*

**MATH**

A STUDENT COUNCIL COMMITTEE IS MADE UP OF 4 BOYS AND 5 GIRLS.IF 2 COMMITTEE MEMBERS ARE CHOSEN AT RANDOM TO ATTEND A CONFERENCE,WHAT IS THE PROBABILITY THAT BOTH MEMBERS WILL BE BOYS?
*May 5, 2013 by ALEXIS *

**English**

1. I'm in the third year of middle school. 2. I'm in the third year in middle school. (Which preposition do we have to use?) 3. My school is a boys-only school. 4. My school is a boys' school. 5. My school is girls-only school. 6. My school is a girls' school. (Are all OK? ...
*March 8, 2011 by rfvv*

**maths P5**

There were 335 children in a hall. 1/4 of the girls and 2/5 of the boys are swimmers. There are 110 swimmers in all. How many boys are there in the hall? (need non-algebra or model to solve, pls)
*September 10, 2011 by jiejie*

**Math**

Total of 92 students in the school band. There are 16 more girls than boys in the band. How many girls are in the band?
*February 13, 2012 by Troy*

**math **

franklin school has 3 boys for every 4 4 girls in fifth grade . there were 140 students in the fifth grade. A.how many are boys B.how many are gorls
*December 7, 2010 by cindy*

**math**

There are 22 students on the debate team. The number of boys is two more than three times the number of girls. How many boys are on the team?
*March 18, 2014 by algebra*

**Math 132**

There are 7 girls and 6 boys in a class. Suppose five children are randomly chosen to decorate the game room. Given that at least one boy is chosen, what is the probability that exactly two boys are chosen?
*April 5, 2010 by Jess*

**6th grade math**

still having problems on probability question with ratios and percents. If you surveyed 30 people (21 girls and 9 boys) and they picked differnt song genre's as their favorite. 3 out of the 21 girls picked country and 0 of the 9 boys picked country. The question is are females...
*September 26, 2012 by Brandi*

**MATH**

A committee of 5 people is to be selected from student council. Council has 6 boys and 7 girls. What is the probability that the committee will have at least 3 boys? *** If you can show work that would be helpful (OPTIONAL)*** THANK YOU VERY MUCH!
*May 24, 2012 by Tom*

**MATH HELP**

A committee of 5 people is to be selected from student council. Council has 6 boys and 7 girls. What is the probability that the committee will have at least 3 boys? *** If you can show work that would be helpful (OPTIONAL)*** THANK YOU VERY MUCH!
*May 24, 2012 by Tom*

**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.
*August 20, 2013 by Kim*

**math-Probability**

In a classroom of children (10 boys and 8 girls), six students are chosen to go to the blackboard. What is the probability that no boys are chosen?
*March 16, 2012 by Emma*

**math**

If there are 7:5 boys and girls in a class and there are 21 girls how many boy are there in the class?
*February 14, 2011 by maddie*

**maths**

There were 335 children in a hall. 1/4 of the girls and 2/5 of the boys are swimmers. There are 110 swimmers in all. How many boys are there in the hall?
*September 10, 2011 by mathsmad*

**Maths**

168 children went to a them park. If 1/3 of the girls is equal to 4/9 of the boys, how many boys went to the theme park?
*May 6, 2013 by Alex *

**math**

there are 33 students in Miss benton's class. There are 5 more girls than boys. How many girls are in Miss Bentons class
*December 13, 2011 by kiana*

**Math Ms. Sue Help plz!**

Activity Boys Girls Total Walk 3 6 Bike 5 3 Skateboard 2 1 Total _________________________________________ 3. What percentage of the total students chose skateboarding? (1 point) 10% 20% 30% none of these 4. What percentage of the boys chose walking? (1 point) 30% 45% 25% none...
*April 6, 2013 by Gabby*

**math**

Activity Boys Girls Total Walk 3 6 Bike 5 3 skateboard 2 1 3. What percentage of the total students chose skateboarding? (1 point) 10% 20% 30% none of these *** 4. What percentage of the boys chose walking? (1 point) 30% **** 45% 25% none of these 5. What percentage of the ...
*April 8, 2014 by Ms.sue HELP PLEASE!!!*

**Math.**

39. Students are cleaning a local park in groups. There are 50 boys & 75 girls. Each group has the same number of boys and the same number of girls. What is the greatest possible number of groups? 40. You are dividing a community garden 35 m long by 15 m wide into equal sized ...
*October 15, 2013 by Stella*

**math**

There are a total of 50 students in the Englewood band. 23 of them are boys. Let (g) represent the number of girls in the band. Which equation shows the number of girls in band? a. 50+23=g b. gx23=50 c. g-23=50 d. 50-23=g my answer is B. Is this correct?
*February 10, 2013 by vera*

**Child Care**

You overhear a group of children saying, "Girls can't be truck drivers." The most appropriate response is to A. use the opportunity to engage them in a discussion. B. ignore them: kids will be kids. C. redirect them to another activity. D. stage a competition between the boys ...
*February 8, 2009 by Ann*

**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*

**Math Repost**

There are 5 boys and 4 girls in my class. In how many ways can they be seated in a row of 9 chairs such that at least 2 boys are next to each other? In how many ways can they be seated in a row of 9 chairs such that at least 3 girls are all next to each other?
*October 5, 2013 by Speedo*

**chapter 5: Ratios & Proportions**

Out of the 248 seniors, 112 are boys. What is the ratio of boys to the total number of seniors?
*March 5, 2012 by kaylah*

**Math**

Ms. Poole, my PE teacher, asked the 100 seventh in my school if they could swim. Half the boys and two thirds of the girls said yes. Seventeen boys said no. How many seventh graders know how to swim?
*September 13, 2011 by D*

**maths**

Fill in the blanks- 1). the sum of two consecutive odd numbers is 84, the number are ________ and________ 2). A number multiplied by 6 and then reduced by 3 gives 69, the number is_______ 3). The number of boys is 3/2 the number of girls in class. the total strength is 40. the...
*June 15, 2012 by kratika *

**math**

There are 28 students in Ms. Rainbow's Math class. The number of girls is 10 less than the number of boys. If there are b boys in the class, write an equation to correctly model the situation.
*November 5, 2011 by Anonymous*

**math**

Each day, Mr. Samms randomly chooses 2 students from his class to serve as helpers. There are 15 boys and 10 girls in the class. What is the probability that Mr. Samms will choose 2 girls to be helpers
*May 16, 2012 by MItchell*

**Math - Fractions**

Mary has invited all her friends and all the students in her class to her birthday party. She invited 27 girls and 15 boys in all. What fraction of the people she invited are girls?
*September 10, 2013 by Venus*

**math**

There are 5 boys and 4 girls in my class. In how many ways can they be seated in a row of 9 chairs such that at least 2 boys are next to each other? In how many ways can they be seated in a row of 9 chairs such that at least 3 girls are all next to each other?
*October 5, 2013 by Speedo*

**arithmetic**

a class of 80 is 25% girls.if 10% of the boys and 20% of the girls attended a picnic, what percent of the class attended?
*January 18, 2012 by ibthesham*

**math**

For every 3 boys at soccer camp there are 2 girls. If there are 20 children at soccer camp.How many are girls?
*January 7, 2013 by jessica*

**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*

**Maths**

There are 175 pupils in a hall. 40% of them are boys. 25 girls enter the hall. What percentage of the pupils in the hall now are boys?
*October 7, 2012 by Student56*

**Maths**

In a class of 33, 5/11 were boys.how many girls?
*February 12, 2013 by Siphosethu*

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