How many ways can 5 students be chosen from a group of 4 juniors and 6 seniors to be on the prom committee if exactly 3 students must be seniors?
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PreCalculuscheck answers
How many ways can 5 students be chosen from a group of 4 juniors and 6 seniors to be on the prom committee if exactly 3 students must be seniors? Answer: 5400 Find the probability of getting a sum of 5 on the first toss of two number cubes and a sum of 6 on the second toss. ... 
math
there is 2 freshmen, 4 sophomores, 8 juniors, and 15 seniors. A local television station wants to interview 8 students from the team. How many different ways can exactly 4 seniors and 4 juniors be selected for the interview? 
geometry
the ratio of juniors to seniors is 9 to 8, if there are 51 juniors and seniors total, which percent of students are seniors? how do i figure this out?! 
Math
A club consists of 8 seniors, 7 juniors, and 4 sophomores. A subcommittee consisting of 3 seniors, 2 juniors, and 1 sophomore will be chosen. How many different such subcommittees are there? 
statistic
here are five seniors in a class, for each situation, write how the binomial formula is used to calculate the probability. a) In how many ways can you choose one senior to represent the group? b) In how many ways can you choose two seniors to represent the group? c.) In how ... 
Math
A college class with 30 sophomores, 18 juniors, and 12 seniors is divided into project groups where each group has the same number of sophomores, juniors, and seniors. What is the greatest number of groups that can be formed? How many sophomores, juniors, and seniors are in ... 
PreCalculus
Consider a class with 10 sophomores, 8 juniors, and 6 seniors. Two students are selected at random. 1) What is the probability of selecting 1 junior and 1 senior. 2) Find the odds of selecting two students who are not seniors. How do I set these up to solve?? Any help is ... 
Math
From a pool of six juniors and eight seniors three co captains will be chosen for the football team. How many different combinations are possible if one junior and two seniors are chosen? 
MATH
a total of 50 juniors and seniors were given a mathematics test.the 35 juniors attained an average score of 80 while the 15 seniors attained an average of 70.what was the averagescore for all 50 students who took the test? please explain if you can 
Algebra 2
Amanda surveyed 20 juniors and seniors at Delamar high school to find the number of hours per week they spend working at parttime jobs. Her results are shown below. Juniors: 20,10,20,10,15,0,0,10,20,15 Seniors: 20,20,10,10,0,0,0,10,0,10 which statement about the data is true... 
Algebra 2
Amanda surveyed 20 juniors and seniors at Delmark Highschool to find the number of hours per week they spend working at part time jobs. Her results are shown below Junior  20,10,20,15,0,0,10,20,15 Senior  20,20,10,10,0,0,0,10,0,10 Which statement about the data is true? A  ... 
mathematics
A total of 50 seniors and juniora wwere give amath tesr.the 35 juniors got an average of 80 and 15 seniors got 70.what was average score of all 50 students 
Probability  Check
Could someone check these answers for me. Thanks 1. (3x+y)^7 = 2187x^7 + 5103x^6y + 5103x^5y^2 + 8505x^4y^3 + 2835x^3y^4 + 567x^2y^5 + 63xy^6 + y^7 2. Eight people are boarding an airplane. Two have tickets for first class and board before those in the economy class. In how ... 
Logic
This is the information about students participating in a field trip: 36 were female students, 13 were male seniors, 41 were not drama majors, exactly half of the drama majors were male, a third of the female students were drama majors but not seniors, there were 15 senior ... 
Grammar
Which of the following combines the sentences below by coordinating? Senate pages may be between fourteen and seventeen years old. Pages in the House must be high school juniors or seniors. A.Senate pages may be between fourteen and seventeen years old, while pages in the ... 
statistics 2
A football team consists of 20 each freshmen and sophomores, 15 juniors and 10 seniors. Four players are selected at random to serve as captains. Find the probability that: a) all four are seniors b) There is one each: freshman, sophomore, junior and senior. c) There are 2 ... 
math
Freshman:Sophmore = 5:4 Sophmore:Juniors = 7:8 Juniors:Seniors = 9:7 The total is 2158, what is the amount of each grade? So far, I got 35:32:224/9 for Freshman:Sophmore:Seniors I don't know if I'm correct, or what I'm doing. Can you please give me help and explain? thanks so ... 
math
Freshman:Sophmore = 5:4 Sophmore:Juniors = 7:8 Juniors:Seniors = 9:7 The total is 2158, what is the amount of each grade? So far, I got 35:32:224/9 for Freshman:Sophmore:Seniors I don't know if I'm correct, or what I'm doing. Can you please give me help and explain? thanks so ... 
Math
The ratio of the number of freshman to old students to juniors to seniors on a college basketball team is 4:7:6:8.what percent of the team are old students? 
SAT Math
All of the students who took chemistry at Groveton High School last year were juniors or seniors, as shown in the table below. If 80% of the students who took chemistry passed, then what fraction of the students in the combined junior and senior classes took chemistry? Class ... 
statics
you select a name at random from a hat that contains 33 freshmen,34 sophomores, 30 juniors, and 28 seniors. what is the probability that the name is a seniors? 
math
A class consist of 2/5 freshman,1/4 sophomores, and 1/10 juniors; the rest are seniors. What fraction of class are seniors? 
math
Your math class has 27 students. There are 12 seniors and the rest are juniors. What is the seniortoratio? 
probality
Blue Nile University recently conducted a survey of undergraduate students in order to gather information about the usage of the library. The population for this study included all 4000 undergraduate students enrolled in the university. The library officers are interested in ... 
Probability  Math
According to the record of the registrar's office at a state university, 35% of the students are freshman, 25% are sophomore, 16% are junior, and the rest are senior. Among the freshmen, sophomores, juniors, and seniors, the portion of students who live in the dormitory are, ... 
Data management
1) In how many ways can 12 distinct objects be separated into three equal piles? 2) In how many ways can 25 students be assigned to 4 distinguishable study groups if at least 6 students must be in each group? 3) in how many ways can 4 students be assigned to 9 class periods if... 
math
A random group of seniors was selected from a university and asked about their plans for the following year. The school advising office claims that 60% of the students plan to work, 30% of the students plan to continue in school, and 10% of the students plan to take some time ... 
Math
There are 30 seniors, 15 juniors, 12 freshman, and 10 sophomores in the club. When one student is picked randomly, what is the probability that a sophomore is not chosen? 57/67? 
Statistics
According to the record of the registrar's office at a state university, 35% of the students are freshman, 25% are sophomore,16% are junior and the rest are senior. Among the freshman, sophomores, juniors and seniors, the portion of the students who live in the dormitory are ... 
Math
How do you figure this problem out? How many different committees can be formed from 5 professors and 15 students if each committee is made up of 2 professors and 10 students? THANKS!!!!! The limiting factor is the students. You only have enough for one committee. There are ... 
Probability
According to the record of the registrar's office at a state university, 40% of the students are freshman, 25% are sophomore, 20% are junior, and the rest are senior. Among the freshmen, sophomores, juniors, and seniors, the portion of students who live in the dormitory are, ... 
math
There are 6 boys and 8 girls in a group of students. Calculate the number of ways that a committee of 3 students which has at least 1 girl can be selected from the group. Please show your work. 
math
A committee of 2 teachers and 3 students is to be randomly chosen from a group of 5 teacher and 6 students. the total number of different committees is? 
Geography
need help predicting what should be done to prepare each of our two countries for education for young people, Infant care for young mothers, Home construction for growing families, and Medical care for seniors. Age group for each: 019 25.90, 2059 51.70 and 60 Seniors  20.... 
Algebra 2
write an equation to solve each problem There is only one freshman in the cast of the high school musical. There are 6 sophomore and 11 juniors. One third of the cast are seniors. How may seniors are in the musical? *Please show me the work on how to do it 
college math
The number of seniors at Freedom High School was 421 in 2002. If the number of seniors increases at a rate 1.7% per year, how many seniors will be in the class of 2014? 
Quantitative Analysis
The students at Littlewood Regional High School cut an average of 3.3 classes per week. A random sample of 117 seniors averages 3.8 cuts per week, with a standard deviation of 0.53. Are seniors significantly different from the student body as a whole? 
Math
Given the situation described, identify the type of sampling involved. Students at Local U are classified according to the progress toward their degree program as freshmen, sophomores, juniors, seniors and nonmatriculating, then random samples from each class are taken. I ... 
Math
Given the situation described, identify the type of sampling involved. Students at Local U are classified according to the progress toward their degree program as freshmen, sophomores, juniors, seniors and nonmatriculating, then random samples from each class are taken. I ... 
Math
Kendall asked 40 randomlyselected seniors at his high school about their plans for after they graduated. Twentynine students said they planned to go to college. If there are 380 seniors at Kendall’s high school, estimate the number who plan to go to college. 
math 12
A committee of students and teachers is being formed to study the issue of student parking privileges. Fifteen staff members and 18 students have expressed an interest in serving on the committee. In how many different ways could a fiveperson committee be formed if it must ... 
English
1. A group of students help the sick. 2. A group of students helps the sick. (What is the difference between the two sentence? If both are grammatical, aren the following correct as well? ) 3. This is a group of students. 4. These are a group of students. 5. These students are... 
math logic
A group of five students needs to break into two smaller groups in order to tackle the two different assignments associated with a larger group project. Naturally, they feel that it would be most fair to break into groups of two and three. How many ways are there to do this? ... 
Probability
If 5 juniors and 4 seniors apply for a job at a school which has 2 openings, what is the probability that 1 junior and 1 senior will be randomly chosen for the job. 
Math
There are one thousdand students in Central High School. Three hundred twentyeight of the students are seniors. Write the decimal that shows what part of the student body is in the senior class. 
math
Fifteen percent of the seniors voted for Joe. If 289 seniors voted for tehother candidates, how many seniors voted in the election? Let the total number voting be N. 0.85 N = 289 Solve for N 
Math
from a group of 14 junior and 9 senior students, determine how many committees of 8 students can be chosen if all chosen students are junior students? 
statistics
In a particular class, there are 3 freshmen, 5 sophomores, 11 juniors, and 2 seniors. If the instructor randomly chooses a student to answer a question in class, what is the probability that the student chosen will be a freshman? 
Math
Claudia is arranging seating for her sorority's fall banquet. he has to sit 7 seniors, 5 juniors, 9 sophomores and 3 freshmen at the head banquet table. if members of the same class must sit together, in how ways can she do this? 2x7!7!x 2x5!5! x2x9!9! x 2x3!3! 50803200 x ... 
Statistics
A committe of 5 members will be chosen from a group of 10 teachers and 5 students. What is the probability that the committee will have A) all teachers? B) 3 teachers and 2 students? C) 3 or 4 teachers? 
Statistics
A committe of 5 members will be chosen from a group of 10 teachers and 5 students. What is the probability that the committee will have A) all teachers? B) 3 teachers and 2 students? C) 3 or 4 teachers? 
math
A committee of 5 is chosen from 6 teachers and 3 students and 7 others. Determine the number of ways of selecting the committee if it is to contain: (a)at least two teachers (b)no teacher nor student 
Maths
From a group of 10 people, 5 men and 5 women, six are to be chosen to serve on a committee. a) In how many ways can the committee be chosen? b) Find the probability that two men will be chosen. c) Find the probability that the committee chosen will consist at least 4 women. 
math
A committee of 12 students must select from their group a president, a vicepresident, and a secretary. In how many possible ways can this be accomplished? 
algebra
There are 6 students in a club. For a certain activity, 4 of the students need to form a separate group. How many ways can this group of 4 students be formed? 
math
A group of 5 students is to be chosen from a class of 20 students to work on a term project. How many different groups of students can be chosen from the class? 
statistics
(a)Comparison of GPA for randomly chosen college juniors and seniors: xbar= 3.05, s1 = .20, n1 = 15, xbar2= 3.25, s2 = .30, n2 = 15, á = .025, lefttailed test. calculate d.f. ____________ Standard error ____________ tcalculated ____________ pvalue ____________ tcritical ... 
Combinatorics
In how many ways can 8 students be assigned to 2 groups if each group must have at least 3 students? 
college math
How many different committees can be formed from 9 teachers and 39 students if the committee consists of 2 teachers and 3 students? In how many ways can the committee of 5 members be selected? 
Math
the ratio of of the number of adults to the number of students at the prom has to be 1:10. Last year there were 477 more students than adults at the prom. If the school is expecting the same attendance this year how many adults have to attend prom? 
Algebra IIPlease check
How many ways can a teacher arrange 10 students in a front row if there are 60 students I think I do 60!/50! = 2.74 *10^17 How many ways can you choose committee of 7 from a total of 20 (20 nCr7) = 77520 
Math
16 students have registered for a summer sports camp. they are to be divided into either a swimming or a tennis activity, with no more than 1 students in either group. in how many ways could the group in the tennis activity be chosen? 
Algebra IIPlease check calc
How many ways can a teacher arrange 10 students in a front row if there are 60 students I think I do 60!/50! = 2.74 *10^17 How many ways can you choose committee of 7 from a total of 20 (20 nCr7) = 77520 
Algebra 2
The seniors at Travis High School have three purchase options for their yearbook. Option 1: They can purchase a copy of the yearbook and a onepage ad for $35. Option 2: They can purchase a copy of the yearbook and a onehalf page ad for $25. Option 3: They can purchase a copy... 
Quantitative reasoning
The administration has formed a 26 person planning committee. There are 5 times as many administrators as there are students and five more faculty members than students. How many students are there on the committee? 
Math
1. At a basketball game, the ratio of the number of freshmen who attended to the number of juniors who attended was 3 to 4. The ratio of the number of juniors who attended to the number of seniors who attended was 7 to 6. What was the ratio of the number of freshmen to the ... 
Math
Of the students in a certain classroom, 9 are in the school play, 12 are in the orchestra, and 15 are in the choral group. If 5 students participate in exactly 2 of the 3 activities and all other students participate in only 1 activity. How many students are in the homerooooom? 
Math
Find the probability of: a) Rolling a three OR a six with a single die Answer: P(3 U 6)= n(3U6)/n(S) = 3+6/6 = 9/6 reduced: 3/ b) Dealing an ACE OR a FACE CARD from a standard deck Answer: P(A U F)= 4/52 + 12/52 = 4/13 2. A 5committee is to be chosen from 4 teachers and 4 ... 
Math
a committee of 5 has to be chosen from a group of 4 democrats and 5 republican staff how many different ways can the committee be selectedYou 
Probability Math
A committee of four students will be selected from a list that contains six Grade 9 students and eight Grade 10 students. What is the expected number of Grade 10 students on the committee? 
Statistics
From five faculty members and four students, a committee of four is to be chosen that includes two students and two faculty members. In how many ways can this be done? Please show more than one approach. 
math
The ratio number of adults to students at the prom is 1:10. Last year there were 162 more students at the prom. If the school is expecting the same attendance this year,how many adults have to attend? 
statistics
Science scores for HS seniors in the US are normally distributed with a mean of 77 and a standard deviation of 7. Students scoring in the top 4% are eligible for a special prize. What is the approximate cutoff score a student must get in order to receive the prize? 
statistics
Science scores for HS seniors in the US are normally distributed with a mean of 77 and a standard deviation of 7. Students scoring in the top 4% are eligible for a special prize. What is the approximate cutoff score a student must get in order to receive the prize? 
Statistics
If a committee of 4 students is selected from a class of 16 students, how many ways can this be done? 
Mat 300/statistics
In how many ways can a committee consisting of 2 faculty members and 3 students be for there are 11 faculty members and 14 students eligible to serve on the committee? 
maths
A committee of 4people is to be chosen from 5 married couples. Find in how many ways the committee can be chosen if; 1) everyone is equally eligible. 2) the committee should include at least one woman 
maths
A committee of 4 people is to be chosen from 5 married coiples.find in how many ways the committee can be chosen if: i) everyone is equallt eligible ii) the committee should include at least one woman solution so far.5 couples=10 people. To choose 4=10C4=10!/(104)!4!=210 ways... 
math
how many committee of five people can be chosen from 20 menand 12 women if exactly three men must be on each committee and at least four women on each committee 
chapter 5: Ratios & Proportions
Out of the 248 seniors, 112 are boys. What is the ratio of boys to the total number of seniors? 
math
Later 7 students joined group 2 (41 students)and one student left to join group 1. (44 students) Now 20 students play trombone and 7 more students play trumpet as play saxophone. How many students play each instrument? 
Statistics
a random group of seniors was selected from a university and asked about their plans for the following year. The school advising office claims that 50% of the students plan to work, 25% of the students plan to continue in school, and 25% of the students plan to take some time ... 
PACT
A committee of 4 must be chosen from 3 women and 4 men.calculate 1. In how many ways the committee can be chosen. 2. In how many ways 2 men and 2 women can be chosen 3. Probability that the committee consists of 2 men and 2 women 4. Probability that the committee. consists of ... 
Math 157
A group of 10 students consists of 3 girls and 7 boys. How many ways can the students be arranged from left to right if the first 3 students are girls and the remaining students are all boys? 
Math
A committee of 5 people is to be formed from a group of 7 women and 4 men. How many possible committees can be formed if: the committee then must chose a president and a vice president, how many ways could these two positions be chosen? why is it permutations not combination? ... 
mystery
There are 15 students on a yearbook committee. 40% of the students are females. How many students on the committee are males? 
Geometry
A special lottery is to be held to select the student who will live in the only deluxe room in a dormitory. There are 100 seniors, 150 juniors, and 200 sophomores who applied. Each senior's name is placed in the lottery 3 times; each junior's name, 2 times; and each sophomore'... 
math
In how many ways can a committee of 12 people, of which 5 must be in the 21−30 age group, 4 must be in the 31−40 age group and 3 must be in the 41−50 age group, be chosen if there are 6 people of each age group? 
math
In how many ways can a committee of 12 people, of which 5 must be in the 21−30 age group, 4 must be in the 31−40 age group and 3 must be in the 41−50 age group, be chosen if there are 6 people of each age group? 
math
To determine whether there is a relationship between the type of school attended and verbal reasoning scores for Irish students, three samples with 25 students, in each group, were randomly selected from data used by Raferty and Hout (1985). One group of students attended ... 
Statistics
Science scores for high school seniors in the United States are normally distributed with a mean of 78 and a standard deviation of 10. Students scoring in the top 10% are eligible for a special prize consisting of a laptop and $2,000. What is the approximate cutoff score a ... 
Math
A class has 12 students. In how many different ways can the students be put into lab groups consisting of 3 students in each group. The answer in the book is 369600. But I do not understand how they got this answer. 
math
how many committee of five people can be chosen from 20 men and 12 women if a) exactly three men must be on each committee b) at least four women on each committee 
maths
Suppose that a state university has to form a committee of 5 members from a list of 20 candidates out of whom 12 are teachers and 8 are students.If members of the committee are selected at random,what is the probability that the majority of the committee members are students? 
maths
Suppose that a state university has to form a committee of 5 members from a list of 20 candidates out of whom 12 are teachers and 8 are students.If members of the committee are selected at random,what is the probability that the majority of the committee members are students? 
maths
A class of 50 students has to perform exercises in groups of 2 OR 3 students. The numberof groups with 2 students is the same as the number of groups with 3 students. a) How many groups of 2 students and 3 students can be formed? b) Each group must use 2 balls to perform its ... 
Quantitative methods for business
Suppose that a state university has to form a committee of 5 members from a list of 20 candidates out of whom 12 are teachers and 8 are students.If members of the committee are selected at random, what is the probability that the majority of the committee members are students? 
math
1.Among 90 pieces of mail delivered to the library of a college,50 are addressed to the faculty of Business Administration and 40 are addressed to the Communication faculty.if two of these pieces of mail are delivered to the Dean's office by mistake,and the selection is random... 
Stastics
Can someone help me and let me know if what I have solved is correct. A researcher randomly surveyed 300 high school seniors and determined 225 stated they drive a car to high school. We are interested in the population proportion of seniors who drive a car to high school. a. ... 
math
At a bus stop 20 students were standing in four groups. The first group contained four students more than the second. The second group contained one student less than the third. The fourth group contained twice as many students as the second group. How many students were in ...