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Do students at various colleges differ in how sociable they are? Twenty-five students were randomly selected from each of three colleges in a particular region and were asked to report on the amount of time they spent socializing each day

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  1. statistics

    Do students at various colleges differ in how sociable they are? Twenty-Five students were randomly selected from each of three colleges in a particular region and were asked to report on the amount of the time they spent socializing each day with other
  2. college

    Do students at various colleges differ in how sociable they are? Twenty-five students were randomly selected from each of three colleges in a particular region and were asked to report on the amount of time they spent socializing each day with other
  3. college

    Do students at various universities differ in how sociable they are? Twenty-five students were randomly selected from each of three universities in a region and were asked to report on the amount of time they spent socializing each day with their students.
  4. Psychology/Statistics

    Do students at various universities differ in how sociable they are? Twenty-five students were randomly selected from each of three universities in a region and were asked to report on the amount of time they spent socializing each day with other students.
  5. statistics

    Do students at various universities differ in how sociable they are? Twenty-five students were randomly selected from each of three universities in a region and were asked to report on the amount of time they spent socializing each day with other students.
  6. College statistics

    Do students at various universities differ in how sociable they are? Twenty-five students were randomly selected from each of three universities in a region and were asked to report on the amount of time they spent socializing each day with other students.
  7. statistics

    Do students at various universities differ in how sociable they are? Twenty-five students were randomly selected from each of three universities in a region and were asked to report on the amount of time they spent socializing each day with other students.
  8. probability and statistics

    Chapter 9: 17. Do students at various universities differ in how sociable they are? Twenty-five Students were randomly selected from each of three universities in a region and Were asked to report on the amount of time they spent socializing each day with
  9. statistical psychology

    Do students at various universities differ in how sociable they are? Twenty-five students were randomly selected from each of three universities in a region and were asked to report on the amount of time they spent socializing each day with other students.
  10. statistics

    . Do students at various universities differ in how sociable they are? Twenty-five students were randomly selected from each of three universities in a region and were asked to report on the amount of time they spent socializing each day with other
  11. statitics

    17. Do students at various universities differ in how sociable they are? Twenty-five students were randomly selected from each of three universities in a region and were asked to report on the amount of time they spent socializing each day with other
  12. MARH

    Do students at various universities differ in how sociable they are? Twenty-five students were randomly selected from each of three universities in a region and were asked to report on the amount of time they spent socializing each day with other students.
  13. Stats

    Twenty randomly selected students took the statistics final. If the sample mean was 88 and the ó =5.2, construct a 95% confidence interval for the mean score of the students.
  14. Statistics

    The father of a junior high school student wants to determine the most popular book among junior high students. Select the sample with the least potential bias. A. A randomly selected group of 10 book sellers B. A randomly selected group of 30 junior high
  15. Statistics

    The father of a junior high school student wants to determine the most popular book among junior high students. Select the sample with the least potential bias. A. A randomly selected group of 10 book sellers B. A randomly selected group of 30 junior high
  16. Statistics

    The results of a poll are stated as follows: “Based on a survey of 156 randomly selected students, 90% of the student body of 2870 students agree that no student should have to take final exams in two consecutive exam periods”. If 2578 students
  17. Math

    A class roster lists 15 boys and 12 girls. Two students are randomly selected to speak at a school assembly. if one of the students selected is boy, what is the probability that the other student selected is a girl?
  18. Math

    In a random sample of 30 sixth graders, 9 had traveled outside of the United States. There are a total of 120 sixth graders in the school. Predict how many students have traveled outside of the United States. A 28 students B 36 students** C 45 students Aa
  19. MATH

    Suppose a researcher wants to study the effectiveness of a new reading program for students who have not acquired the necessary reading skills by the time they reach the 8th grade. A randomly selected group of 50 students from a local junior high with poor
  20. 8th grade

    Suppose a researcher wants to study the effectiveness of a new reading program for students who have not acquired the necessary reading skills by the time they reach the 8th grade. A randomly selected group of 50 students from a local junior high with poor
  21. math

    every summer, each student organization at your school sends 2 students to summer camp. the teacher mentor randomly selects the students (pulls from a hat) the club has 10 students among the students is a set of twins. what is the probability the 2 slots
  22. Math

    In Exercises 16–18, use the following information. At a college, 43% of the students are women, 15% of the students are art majors, 4% have not chosen a major, and 8% are women and art majors. A faculty member conducts an experiment and selects students
  23. Math

    In Exercises 16–18, use the following information. At a college, 43% of the students are women, 15% of the students are art majors, 4% have not chosen a major, and 8% are women and art majors. A faculty member conducts an experiment and selects students
  24. 10th Grade Math

    A history class is comprised of 6 female and 9 male students. If the instructor of the class randomly chooses 5 students from the class for an oral exam, what is the probability that 2 female students and 3 male students will be selected? Round your answer
  25. Statistics

    A history class is comprised of 5 female and 8 male students. If the instructor of the class randomly chooses 8 students from the class for an oral exam, what is the probability that 2 female students and 6 male students will be selected? Round your answer
  26. statistics: dependent event

    A psychology class is comprised of 4 female and 6 male students. If the instructor of the class randomly chooses 6 students from the class for an oral exam, what is the probability that 2 female students and 4 male students will be selected? Round your
  27. Statistics

    12. The proportion of students who own a cell phone on college campuses across the country has increased tremendously over the past few years. It is estimated that approximately 94% of students now own a cell phone. Twenty five students are to be selected
  28. essay cont. to Mrs. Sue

    I disagree with Petre’s view that colleges don’t help students in real life situations. It is true that colleges mainly focus on teaching students on what’s written in books. However, colleges do offer classes and variety of workshops that help
  29. math

    It has been determined that 30% of students at a certain high school own a cell phone. If 95 students are randomly selected determine the probability that exactly 20 students own a cell phone. *if using a calculator show syntax used*
  30. math

    Suppose a different student reaches in the bag, randomly selects their twenty chips, and estimates that 60% of the students are male. Based on this sample, what is a good estimate for the number of enrolled university students that are female?
  31. 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
  32. Math

    Carrie asked 50 randomly selected middle school students at Kind's High School about their favorite fast food item. Twenty-one selected french fries. If there are 350 middle school students at King's High School, estimate how many will select french fries
  33. statistics

    You are randomly selecting 10 college students for an experiment. The population in which you are sampling has 78% of the students classified as Caucasian and 22% classified as Minority. What is the probability that all 10 students selected will be
  34. Statistics

    Suppose a researcher wants to study the effectiveness of a new reading program for students who have not acquired the necessary reading skills by the time they reach the 8th grade. A randomly selected group of 50 students from a local junior high with poor
  35. Algebra

    there are 10 students in a social studies class. three students will be selected to present their term projects today. In how many different orders canthree students be selected?
  36. statistic

    In a survey, 3 of 4 students said the courts show "too much concern" for criminals. Find the probability that at most 3 out of 7 randomly selected students will agree with this statement. Round your answer to the nearest thousandth.
  37. Algebra

    There are 12 students in a social studies class. Three students will be selected to present their term projects today. In how many different orders can three students be selected?
  38. Stat

    Thirty randomly selected students took the calculus final. If the sample mean was 89 and the standard deviation was 6.2, construct a 99% confidence interval of the mean score of all students. Assume that the population has a normal distribution
  39. Statistics

    Suppose a researcher wants to study the effectiveness of a new reading program for students who have not acquired the necessary reading skills by the time they reach the 8th grade. A randomly selected group of 50 students from a local junior high with poor
  40. Statistics

    Suppose we would like to estimate the mean amount of money spent on books by students in the fall semester. We have the following data from 400 randomly selected students: mean=$205 and s=$40. Assume that the amount spent on books by students is normally
  41. Stat

    Thirty randomly selected students took the calculus final. If the sample mean was 89 and the standard deviation was 6.2, construct a 99% confidence interval of the mean score of all students. Assume that the population has a normal distribution. what
  42. Math

    Suppose that 40% of all college students smoke cigarettes. A sample of 10 is selected randomly. What is the probability tha t a half of the students smoke?
  43. Math

    Suppose that 40% of all college students smoke cigarettes. A sample of 20 is selected randomly. What is the probability that at most a fourth of the students smoke?
  44. Statistics

    Suppose that 30% of all college students smoke cigarettes. A sample of 18 is selected randomly. What is the probability that exactly 10 students smoke? Round your answer to four decimal places.
  45. Math [AP Statistic]

    I have problem understading and doing this AP prolem. Please help me explain it clearly so that I could understand it. Problem: Since Hill Valley High School eliminated the use of bells between classes teachers have noticed that more students seem to be
  46. Statistics

    If 50 classes of 20 students are randomly selected, what is the probability that 10 classes have no left handed students? I know it is binomial distribution but i do not get it
  47. Statistics: Sample Size, Variance and Standard Dev

    Sample Size, Variance and Standard Deviation A student organization plans to ask 100 randomly selected students how much they spent on textbooks last semester. You argue for a sample of 900 students instead of 100. You know the standard deviation of the
  48. statistics

    In a large Midwestern university, 30% of the students live in apartments. If 200 students are randomly selected, find the probability that the number of them living in apartments will be between 55 and 70 inclusive.
  49. stat

    for randomly selected adults, IQ scores are normally distributed with a standard deviation of 15. the scores of 14 randomly selected college students are listed below. use a 0.10 significance level to test the claim that the standard deviation of IQ scores
  50. statistics

    for randomly selected adults, IQ scores are normally distributed with a standard deviation of 15. the scores of 14 randomly selected college students are listed below. use a 0.10 significance level to test the claim that the standard deviation of IQ scores
  51. statistics

    when 325 students are randomly selected and surveyed, it is found that 117 own a car. Construct a 99% confidence interval estimate of the true proportion of all college students who own a car.
  52. Probability

    Find the conditional probability. Suppose one card is selected at random from an ordinary deck of 52 playing cards. Let A = event a queen is selected B = event a diamond is selected Determine P(B[A) How do you go about solving this one? I know there are 4
  53. probabilityv

    A school's administrators are concerned about absenteeism at their school and the e ect it has on students' grades. The following data were compiled, based on a sample of students. Student's Absent Medium Absent Grade Infrequently Absent Frequently Low 1 9
  54. Math

    URGENT! In a school, 8% of students are left handed. If 50 classes of 20 students are randomly selected, what is the probability of 10 classes have no left handed students? I know that this is a binomial distribution question, but I can't seem to do this
  55. Statistics

    There are 300 students enrolled in Business Statics . Historically,exam scores are normally distributedwith a standard deviation of 30.9. Your instructor randomly selected a sample of 30 examinations and finds a mean of 74.2. Determine a 90% confidence
  56. Business Statistics

    There are 300 students enrolled in Business Statistic. Historically, exam scores are normally distributed with a standard deviation of 30.9. Your instructor randomly selected a sample of 30 examinations and finds a mean of 74.2. Determine a 90% confidence
  57. english essay help

    hi,in my english class, we had to read an article about a girl who attended stanford. she went for an interview and had trouble filling out the forms. she thinks that colleges don't offer classes that help kids in real life situations. for example, she
  58. statistics

    a math class has 50 students , of these 22 students are math majors and 18 students are male. Of the math majors 16 are female. Find the probability that a randomly selected student is male or a math major . my answer 22/50 and 18/50 = 396/50= 7.29
  59. Maths statistics

    In a 60 MA Economics students selected as sample are found to have a mean height of 68 inches and a 50 MBS students selected as sample have a mean height of 69 inches. Would you conclude that management students are taller than economics students? Assume
  60. statistics

    Randomly selected students participated in an experiment to test their ability to determine when one minute(or sixty seconds) has passed. Forty students yielded a sample mean of 61.8 seconds. Assuming that o= 11.7 seconds, Construct and interpret a 99%
  61. Geometry

    There are 240 students. How many students prefer each type of sport? Use a protractor to find the angle measure of each section. basketball: students football: students softball: students soccer: students other: students
  62. Math

    We believe that 77% of the population of all Business Statistics I students consider statistics to be an exciting subject. Suppose we randomly and independently selected 38 students from the population. If the true percentage is really 77​%, find
  63. MRU

    suppose a population of nursing students heights is normally distributed with a population mean of 166 cm and a population stanadr deviation of 7.5cm if a female is randomly selected from this population, what is the probability that she will have a height
  64. Samples and Predictions Math

    Help please I really don't understand this! 1)Janine wishes to conduct a poll to predict how many students will vote for her for class president. Which polling methods are likely to be biased? Choose all answers that are correct. A. Five people in each of
  65. Math

    In Exercises 16–18, use the following information. At a college, 43% of the students are women, 15% of the students are art majors, 4% have not chosen a major, and 8% are women and art majors. A faculty member conducts an experiment and selects students
  66. probability

    A survey of 850 students conducted in two schools showed the following results: School A: *Students who took the bus = 400 * Students who did not take the bus = 150 Total = 550 School B: *Students who took the bus = 200 * Students who did not take the bus
  67. Math

    Identify the misuse or misrepresentation of statistics: “60% of all college students watch less than 2 hours of television per day.” This conclusion was reached by a college student after she had questioned 520 randomly selected students exiting the
  68. statistics

    We believe that 77% of the population of all Business Statistics I students consider statistics to be an exciting subject. Suppose we randomly and independently selected 40 students from the population. If the true percentage is really 77%, find the
  69. Math

    We believe that 77​% of the population of all Business Statistics I students consider statistics to be an exciting subject. Suppose we randomly and independently selected 38 students from the population. If the true percentage is really 77​%, find the
  70. Statistics

    A study in England attempted to determine the "right" method for teaching mathematics. A random sample of 248 students was chosen from the school at large. The students were randomly assigned to one of two classes. At the beginning of the research, the
  71. uc

    As an experiment she randomly selected 15 students and randomly assigned them to one of three groups which include either a PowerPoint presentation created by the faculty, AuthorGen Presentation created by the faculty, or a well known tutorial by the ABC
  72. math

    one-half of the students in a city school plan to enter liberal arts colleges and one-third of the students plan to go to junior college.The remaining 300 pupils expect to seek permanent employment after graduation.How many students are there in this
  73. Statistics

    College officials want to estimate the percentage of students who carry a gun, knife, or other such weapon. How many randomly selected students must be surveyed in order to be 94% confident that the sample percentage has a margin of error of 2 percentage
  74. AE

    Choose a category of at-risk students identified in Ch. 4 of the text. o Use the Internet and Library databases to research one or more exemplary programs in your state, school district, and/or community that help meet the needs of the selected group of
  75. maths

    60 students appear for examination. Out of which 1/15 th were failed and total percent of students who got more than 90% were 0.125% .then if 1 student randomly choose find the probability of getting that students to be passed
  76. statistics

    Survey on concern for criminal in a survey 3 of 4 students said the court show too much concern for criminals find the probability that 3 out of 7 randomly selected students will agree with this statement
  77. Statistics

    A group of 56 randomly selected students have a mean score of 30.8 and a standard deviation of ó = 4.5 on a placement test. Find a 95% confidence interval for the mean score, ì, of all students taking the test.
  78. statistics

    calculate the probability that a randomly selected student is taller than 5 feet5 inches in height. there are 31 students out of the 57 students who are 5 feet 5 inches in height. I just want to know how to set this problem up.
  79. Stats

    A group of 56 randomly selected students have a mean score of 30.8 and a standard deviation of 4.5 on a placement test. Find a 95% confidence interval for the mean score, ì, of all students taking the test. (Note: ó is unknown.)
  80. Algebra

    In a school of 464 students, 89 students are in the band, 215 students are on sports teams, and 31 students participate in both activities. How many students are involved in neither band nor sports? A.160 students B.191 students C.249 students D.433
  81. Math

    A group of 54 randomly selected students from one school district participated in a survey. Out of the 54 students in the survey, 9 are enrolled in band camp. If there are a total of 1,200 students in the school district, which estimate is reasonable for
  82. Statistics

    Twenty (20) students randomly assigned to an experimental group are studying for a test while listening to classical music. Thirty (30) students randomly assigned to a control group are studying for the same test in complete silence. Both groups take the
  83. Statistics

    Suppose that 20% of the students in a college are smokers. A sample of 10 students is randomly selected from this college. What is the probability that at least 3 students in this sample are smokers?
  84. statistics

    Suppose the amount of time it takes for statistics students to complete their midterm is normally distributed with a mean of 85.70 minutes and a standard deviation of 22.55 minutes. If 10 students are randomly selected, what is the probability that they
  85. MATH HELP

    At Jefferson College 15% of all students participate in athletics. If a class consists of 33 randomly selected students, how many of them would you expect to participate in athletics?
  86. precal

    For students are randomly selected from a class of 25 to answer questions from reading assignment. In how many ways the four be selected if order does not matter? 25C4 = 12,650 In how many ways can the four be selected if they are assigned a particular
  87. statistics

    14. Evolutionary theories often emphasize that humans have adapted to their physical environment. One such theory hypothesizes that people should spontaneously follow a 24-hour cycle of sleeping and waking—even if they are not exposed to the usual
  88. statistics

    Twenty (20) students randomly assigned to an experimental group are studying for a test while listening to classical music. Thirty (30) students randomly assigned to a Control group are studying for the same test in complete silence. Both groups take the
  89. statistics

    A researcher wants to select 6 participants from the following data set using systematic sampling. The 12th participant is randomly selected. x=(1,2,3,4...48) 1. Find all of the selected participants. 2. How would youre answer differ if the last
  90. statistics

    At a school consists of 62% undergraduate, 55% of the students are males, and 48% of the undergraduate students are male. a. Determine the probability that a randomly selected student is either male or an undergraduate b. Illustrate the probabilities using
  91. economics

    A class consists of 45 students. Ten of these students received an "A" for the final exam. Five students are selected at random from this group. a) What is the probability that three of the five students selected received an "A" for the final exam? b) What
  92. statistics

    A class consists of 45 students. Ten of these students received an "A" for the final exam. Five students are selected at random from this group. a) What is the probability that three of the five students selected received an "A" for the final exam? b) What
  93. Math for Ms. Sue please last questions

    2. In a school of 464 students, 89 students are in the band, 215 students are on sports teams, and 31 students participate in both activities. How many students are involved in neither band nor sports? (1 point) 160 students 191 students 249 students 433
  94. AED20

    : Characteristics of At-Risk Students • Resources: The Online Library and Ch. 4 of Introduction to Teaching • Read p. 134 of the text, which discusses the way one school district addresses the needs of a group of at-risk students. • Choose a category
  95. Statistic

    Out of 150 ST130 students in 2010, 52% passed. A sample of 30 randomly selected ST130 students resulted in 65% passed. i. Describe the population and sample. ii. Identify the parameter and give its value.
  96. Math-Statistics

    Assume that 60% of community college students are female. 1) If we pick 10 students at random justify why we can or cannot model this using a normal model. 2) Find the probability that 8 of the 10 students selected are female. 3) Find the probability that
  97. statistics

    Thirty percent of the students in a high school face a disciplinary action of some kind before they graduate. Of those students, 40% go on to college. Of the 70% who do not face a disciplinary action, 60% go on to college. What percent of the students from
  98. Math Survey

    James wants to find out the favorite movie of students in his school. Which method would give James the BEST results? A) survey every student on the football team B) survey every student that walks to school C) survey only students who go to the movie
  99. statistics

    Suppose a Stat 1450 web class has 15 males (8 are also students at OSU) and 12 females (7 are also students at OSU). What is the probability that a randomly selected student is either female, or also a student at OSU? Submit answer in decimal form and
  100. Business Mathematics

    During the 2011 student's orientation at Unam, it was reported that number of male students who attended the orientation was nine hundred and forty less than four times the number of female students. a) From the statement above, formulate a mathematical

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