# 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?

8,007 questions
1. ## 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

asked by oscar on December 12, 2010
2. ## 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?

asked by kyille on January 24, 2012
3. ## 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,

asked by Barbara on December 4, 2016
4. ## 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?

asked by bernie on July 29, 2016
5. ## 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?

asked by Anonymous on June 9, 2011
6. ## 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

asked by Jen on July 29, 2011
7. ## 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

asked by Jen on July 29, 2011
8. ## 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?

asked by Anonymous on September 18, 2010
9. ## Math

Claudia is arranging seating for her sorority's fall banquet. She has to sit 7 seniors, 5 juniors, 9 sophomores and 3 freshmen at the end banquet table. What is the probability members of the same class will all sit together? 7!x5!x9!x3!= 1.317x10^12 Am I

asked by Irene on October 6, 2016
10. ## 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?

asked by Elle on April 11, 2013
11. ## 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

asked by Irene on October 2, 2016
12. ## Sociology Research Methods

You plan to conduct a study with a total population of 387 individuals comprised of 200 freshmen/sophomores and 187 juniors/seniors. You wish to be able to describe the characteristics of both the Freshmen/Sophomore and the Junior/Senior in the sample as

asked by Faye on June 24, 2017
13. ## Pre-Calculus

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

asked by Lucy on September 14, 2008
14. ## 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

asked by Morgan on March 13, 2014
15. ## 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

asked by Kacie on June 15, 2017
16. ## Algebra 2

Amanda surveyed 20 juniors and seniors at Delamar high school to find the number of hours per week they spend working at part-time 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

asked by Danny on May 19, 2014
17. ## 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

asked by Morgan on March 16, 2014
18. ## Math

Professor Sousa has 83 students in her anthropology lecture class. 42 of the students are sophomores and the others are juniors. What fraction of the class is sophomores?

asked by Eric on February 2, 2012
19. ## 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?

asked by Anonymous on May 26, 2014
20. ## 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?!

21. ## 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

asked by Bethany on February 9, 2015
22. ## 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

asked by logi on August 11, 2015
23. ## 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

asked by logi on August 11, 2015
24. ## 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

asked by Marin on March 15, 2009
25. ## Math

By 7:00P.M., 1/3 or the junior class has arrived at a school dance. By 8:09PM., 30 more juniors had arrived, raised attendance to 1/2 of the juniors class. How many people are in the juniors class? I don’t understand.. can someone help? A 30 B90 C120

asked by Jessica on November 5, 2017
26. ## math

Your math class has 27 students. There are 12 seniors and the rest are juniors. What is the senior-to-ratio?

asked by .Jacqueline on January 23, 2012
27. ## 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

asked by ~~~help~~~ on September 7, 2008
28. ## math

The number of Sophomores who eat lunch in the caeteria is about three-fouths the number of Freshmen. If there are 60 more Freshemen than Sophomores, how may Sophomores eat lunch in the caafeteria?

asked by johnny on March 28, 2011
29. ## math

Mr. Hauseman has 17 students in his class, three of whom are freshmen, and the rest are from other classes. He is going to draw two students randomly to be partners. He calculates the probability of drawing a freshman and then a junior to be 9 136 . How

asked by tymeasha on May 3, 2019
30. ## 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

asked by Rachel on May 3, 2012
31. ## Math

The average debt for juniors exceeds the debt for sophomores by \$ 458\$458​, and the average debt for seniors exceeds the debt for sophomores by \$1165. The combined debt for a​ sophomore, a​ junior, and a senior is \$6543. Determine the average debt

asked by Timmy on March 18, 2017
32. ## 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

asked by Myda on November 13, 2016
33. ## Math

At a college 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

asked by Sarah on January 19, 2013
34. ## 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

asked by Anonymous on May 8, 2015
35. ## 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?

asked by Anon on April 25, 2017
36. ## 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,

asked by Anon on October 18, 2012
37. ## statistics

True or false> in a physics class there are 9 juniors and 21 males. Then there must be 30 male juniors in this class.

asked by carol on September 27, 2011
38. ## 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

asked by Bravo on April 2, 2016
39. ## 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

asked by Dolly on October 15, 2014
40. ## 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?

asked by Moe on May 31, 2010
41. ## MATH

The work crew for the talent show at the local high school includes these members: 2 freshmen,4sophomores,8juniors,6 seniors.If the sponsor randomly chooses 1 member of the work crew to announce the act & 1 member to control the lighting, what is the

asked by marilyn on April 12, 2017
42. ## math

a university surveys a randomly selected group of 250 freshmen. In the group, 20 of the freshmen were left-handed. If there are 8,000 in the freshman class, what is the best prediction fo the number of left-handed freshmen students? THANK YOU!

asked by Tim on April 19, 2016
43. ## com 205

What kind of statement is this. All Seniors pick on Freshmen.

asked by Mike on May 24, 2009
44. ## 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

asked by Kay on December 27, 2016

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

asked by Lucy on October 11, 2008
46. ## 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.

asked by Jane on April 19, 2013
47. ## math

A room contains 80 sophomores of which 39 are males and 41 are females. There are also 69 juniors of which 36 are males and 33 are females. You pick 3 students at random. What is the probability that all 3 are males?

asked by help me on October 14, 2016
48. ## Algebra

You have the numbers 1-25 written on slips of paper. If you choose a slip at random, what is the probability that you will select a number that is divisible by 4? 1/5 6/25***? 4/25 2/3 You have the numbers 1-24 written on slips of paper. If you choose a

asked by SkatingDJ on June 7, 2015
49. ## math (check last answers) plz

Last questions, thanks for everything There are 21 plates of tomato sandwiches, 27 plates of cheese sandwiches, and 12 plates of beef sandwiches on a buffet table. If a guest randomly picks a single plate, what is the probability that he gets tomato or

asked by Hailey on October 14, 2015
50. ## Math

Last questions, thanks for everything There are 21 plates of tomato sandwiches, 27 plates of cheese sandwiches, and 12 plates of beef sandwiches on a buffet table. If a guest randomly picks a single plate, what is the probability that he gets tomato or

asked by Hailey on October 14, 2015
51. ## 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

asked by Helen on March 30, 2014
52. ## Statistics

74% of freshmen entering public high schools in 2006 graduated with their class in 2010. A random sample of 81 freshmen is selected. Find the probability that the proportion of students who graduated is greater than 0.750 . Write only a number as your

asked by Obi on October 18, 2015
53. ## 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?

asked by ABC on June 1, 2017
54. ## Geometry

In a class of 50 high school juniors, 32 students either play a sport or are in the marching band. There are 22 juniors who playa sport and 16 who are in the marching band. What is the probability that a randomly selected junior plays a sport and is in the

asked by Karri on February 3, 2016
55. ## Statistics

A class has 50 students. 13 are juniors, 20 are psych majors, and 24 are neither psych majors nor juniors. How many psych majors are juniors?

asked by Kassie on January 29, 2010
56. ## Physics

A class has 50 students. 13 are juniors, 20 are psych majors, and 24 are neither psych majors nor juniors. How many psych majors are juniors?

asked by Kassie on February 1, 2010
57. ## Physics

All freshmen at Roseville High School are required to play exactly one sport. The table below shows all the available sports and the number of the freshmen that signed up for each one. What percent of the freshman class signed up for either baseball or

asked by Sue on December 2, 2018
58. ## Statistics

At a certain university, 50% of all entering freshmen planned to major in a STEM (science, technology, engineering, mathematics) discipline. A sample of 36 freshmen is selected. What is the probability that the proportion of freshmen in the sample is

asked by Obi on October 18, 2015
59. ## 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, left-tailed test. calculate d.f. ____________ Standard error ____________ t-calculated ____________ p-value

asked by peter on April 29, 2010
60. ## Math 100p

78 students 10 of them are freshmen what fraction of the class are freshman

asked by John on May 28, 2011
61. ## statistics

Conduct a chi square analysis to determine whether sex and year in college are related. I have tried to submit the data but I can't seem to make the submission work. For my data I used 20 males and 20 females. and for the year in college I have 10

asked by angela on July 31, 2014
62. ## 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: 0-19 -25.90, 20-59 -51.70

asked by Emma on March 20, 2012
63. ## 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

asked by matt on February 27, 2007
64. ## ENVIRO SCIENCE

1.Between 1950 and 2004, the world population increased exponentially from 2.5 billion to 6.4 billion, what is the percent change? 2.Calculate the percent decrease if there are 620 incoming freshmen and 500 graduated seniors? percent change: (amount

asked by RAYMOND on September 2, 2009
65. ## English

When referring to an entire class body, such as 500 students, is it correct to say freshmen or freshman?

asked by Anonymous on February 5, 2016
66. ## math

IF 2/7 OF THE 2905 STUDENTS ARE FRESHMEN,AND IF 30% OF THE FRESHMEN PLAY MUSICAL INSTRUMENT,HOW MANY FRESHMEN STUDENTS PLAY MUSICAL INSTRUMENTS?

asked by Juan on July 6, 2016
67. ## psychology

in his research, Dr. Caulfiel wants compare levels of tests anxiety among high school students in grade 10 and 12. His hypothesis is that seniors will have higher levels of test anxiety than sophomores will. His theoretical definition of test anxiety for

asked by Josephine on June 13, 2014
68. ## Algebra

I do not understand this homework at all. Any help or elaboration would be greatly appreciated. Thanks. 100 juniors at Southwest High took the SAT test. The scores were distributed normally with a mean of 22 and a standard deviation of 3. Label the mean

asked by Kesha on April 12, 2016
69. ## question

i need some advice im a freshmen in hghschool and i have one honor class this semester and the 1st term i got a 80.6 and im struggling more is it better to be in it or just take regular and have an a over a b are their any benefits of it

asked by mr.albracht on November 1, 2013
70. ## Math

Determine whether the following statement makes sense or does not make sense, and explain your reasoning: By modeling attitudes of college freshmen from 1969 through 2006, I can make precise predictions about the attitudes of the freshman class of 2020. A)

asked by Kara on October 4, 2011
71. ## Probability and Statistics

For questions 6 - 10 use the chi-squared distribution to test the hypothesis. 6) A restaurant owner wants to see if the business is good enough for him to purchase a restaurant. He asks the present owner for a breakdown of how many customers that come in

asked by Alexus on July 16, 2012
72. ## math

a class of 51 students ,23 are freshman,and 28 are juniors what fraction of students are freshaman

asked by Anonymous on October 25, 2016
73. ## 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
74. ## math

several freshmen tried out for the school track team. after round 1, 1/2 of the freshmen were eliminated. After round 2, 1/3 of those remaining were eliminated. After round 3, 1/4 of those remaining were eliminated. After round 4, 1/5 of those remaining

asked by shirley on February 22, 2013
75. ## algebra

I am confused about this one. It is about football. "In a football game the ball was advanced 5 yards from the Juniors' 25-yard line towards the Seniors' goal, then 6 yards then 8 yards back, 13 yards forward, 5 yards back, and then 11 yards forward. What

asked by Amal on June 15, 2010
76. ## math

8. Of the 180 students who took part in the Race for Hunger, about 5/8 were sophomores. Of the sophomores, 40% were girls. How many sophomore girls took part in the race? A.35 girls B.125 girls C.45 girls D.72 girls please explain and show work

asked by Johnny on July 3, 2014
77. ## Statistics

The admissions counselors at rainy University believe that the freshman class they have just recruited is the brightest yet. If they want to test this belief (that the freshmen are brighter than the other classes), what are the null and alternative

asked by Ann on March 25, 2017
78. ## College Algebra

The winning candidate for president of the freshman class received 2988 votes. If that was 150 more than half the votes cast, how many freshmen voted?

asked by Hey on November 10, 2015
79. ## math

several freshmen tried out for the school track team. after round 1, 1/2 of the freshmen were eliminated. After round 2, 1/3 of those remaining were eliminated. After round 3, 1/4 of those remaining were eliminated. After round 4, 1/5 of those remaining

asked by shirley on February 22, 2013
80. ## Math Word Problems

Hi, I am having some trouble with some problems, can you please help. thanxs!!! 1. A car rental agency charges \$250 per week plus \$0.25 per mile to rent a car. How many miles can you travel in one week for \$300? -Would the equation look like: 300= 250x +

asked by Vanessa on August 18, 2007
81. ## chapter 5: Ratios & Proportions

Out of the 248 seniors, 112 are boys. What is the ratio of boys to the total number of seniors?

asked by kaylah on March 5, 2012
82. ## Maths

1) Suppose of the 4,000 freshmen at a college everyone is enrolled in a mathematics or an English class during a given quarter. If 2,000 are enrolled in a mathematics class, and 3,000 in an English class, how many are enrolled in both a mathematics class

asked by Shaun on April 16, 2017
83. ## english

I have to write a compare and contrast essay for my Freshmen comp. class, the topic I chose is cockroaches VS. Beatles. Im not sure if this is risky, because i don't really know my professor, but i cant find another topic that i can successfully wright

asked by layla on February 3, 2010
84. ## 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

asked by Lindsay on April 24, 2016
85. ## Algebra

There are 357 seniors in Harris High School. The ratio of boys to girls is 7:10. How many boys are in the senior class?

asked by in need of help on March 10, 2010
86. ## math

There are are 20% more girls than boys in the senior class.What percentage of the seniors are girls?

asked by Shambhavi on March 24, 2012
87. ## 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?

asked by euneca on October 13, 2014
88. ## Statistic

I pick a. Is it correct? Which of the following measurements is likely to have the least variation (the smallest standard deviation)? a. The volume of liquid in a simple of unopened 2-liter bottles of sodas. b. The SAT scores of a class of graduating high

asked by Lucy on May 10, 2017
89. ## Math

There are one thousdand students in Central High School. Three hundred twenty-eight of the students are seniors. Write the decimal that shows what part of the student body is in the senior class.

asked by Jacob on September 23, 2011
90. ## STATISTICS

Suppose that, for students who are enrolled in college algebra, 78 percent are freshmen, 40 percent are female, and 28 percent are female and are freshmen. Your answers below should be entered as decimals and rounded to three decimal places. (a) One

asked by Anonymous on March 19, 2012
91. ## math

The football team has 86 players. Thirty-two of those players are seniors. What percent of the football players are seniors? Round your answer to the nearest whole number.

asked by sara ann on September 23, 2010
92. ## Algebra 2

Well I'm curently taking this class as a sophmore and have taken geometry freshmen year of high school and also I am taking physics at the same time and in math class when I'm asked to factor i go absolutley nuts because guessing numbers is just no my

asked by HELP ME! on May 8, 2009
93. ## statistics

Suppose that, for students who are enrolled in college algebra, 73 percent are freshmen, 48 percent are female, and 31 percent are female and are freshmen. Your answers below should be entered as decimals and rounded to three decimal places. Two students

asked by Julie on March 19, 2012
94. ## 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 one-page ad for \$35. Option 2: They can purchase a copy of the yearbook and a one-half page ad for \$25. Option 3:

asked by Anonymous on June 3, 2017
95. ## Math

Kendall asked 40 randomly-selected seniors at his high school about their plans for after they graduated. Twenty-nine 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

asked by Miae on May 16, 2013
96. ## Statistics

An opinion poll asks a random sample of 100 college seniors how they view their job prospects. In all, 53 say "Good." The 95% confidence interval has a margin of error of 9.9%. The sample used actually included 130 college seniors but 30 of the seniors

asked by Samantha on November 11, 2013
97. ## college sttistics

I have read all my material regarding how to try and figure out how to use Chebyshev Theorem. I even email my teacher and to no avail, I need your help in how to work this problem out step by step. A nationwide test taken by high school sophomores and

asked by Mary on September 8, 2008
98. ## english

I am writing a five paragraph essay for my freshmen comp. class on the difference between High school and college. I don't know where to start, so far i have this as an introductory sentence. Can you please tell me what i should change, and help me on to

asked by layla on January 25, 2010
99. ## English

He has stopped taking boxing lessons and goes to the ballet class. (In this sentence, what does 'class'mean? Does 'class' mean 'lesson'? Or does 'class' mean the 'class' as in ' He is a student of Class 1-1'?)

asked by rfvv on January 31, 2013
100. ## statistics

Suppose it is known that the average score of all high school seniors taking a national test of basic skills is 420. These scores are normally distributed with a standard deviation of 80. A school gives the test to a sample of 144 seniors. Identify the

asked by nana on October 2, 2012