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17. Eleventh-and twelfth-grade students at Fairlawn High School were asked whether or not they have their...
20 students from each grade at a high school are randomly chosen to participate in a...
20 students from each grade at a high school are randomly chosen to participate in a survey Is this: Convenience Sample, Stratified Random Sample, or Cluster Sample ?
Let U be the event that a randomly chosen high school student is an upperclassman. Let...
Let U be the event that a randomly chosen high school student is an upperclassman. Let C be the event that a randomly chosen high school student has a car. Identify the answer which expresses the following with correct notation: Of all the high school students who are upperclassmen, the probability that a randomly chosen high school student has a car. Select the correct answer below: P(C) AND P(U) P(C|U) P(U|C) P(U AND C)
A survey of 500 randomly selected high school students determined that 87 play organized sports (a)...
A survey of 500 randomly selected high school students determined that 87 play organized sports (a) What is the probability that a randomly selected high school student plays organized sports? (b) Interpret this probability. (a) The probability that a randomly selected high school student plays organized sports is Round to the nearest
Students in grade school were asked whether they believed Good Grades, Popularity, or Athletic Ability was...
Students in grade school were asked whether they believed Good Grades, Popularity, or Athletic Ability was the most important to them. The students responses are divided into three school locations: Rural, Suburban, or Urban. The resulting contingency table was produced from the frequencies of observations. Run a hypothesis test to determine if the goals of student are independent of the school location using α = 0.05. Describe the dependencies if they exist. School Area Goals Rural Suburban Urban Grades 57...
Suppose you have two eleventh grade american history classes at a particular high school. One is...
Suppose you have two eleventh grade american history classes at a particular high school. One is taught by Mr. Knight and one is taught by Ms. Princess. Mr. Knight's class has 30 students in it and Ms. Princesses has 26 students. A common exam was given to both classes, Mr. Knight's class had a median score of 80 and Ms. Princesses class has a median score of 70. What can you say about the median score of the classes when...
Adults and high school students were asked four trivia questions. The number of correct answers given...
Adults and high school students were asked four trivia questions. The number of correct answers given by each participant was recorded. To the right is a table showing the results. Complete parts a) through e). ,0,1,2,3,4,Total Adults,16,32,36,45,31,160 Students,45,15,7,40,40,147 Total,61,47,43,85,71,307 a. If we select a participant at random, what's the probability we choose an adult who had one correct answer? b) Among the participants who had one correct answer, what is the probability the person is an adult? c) What is...
12. Adults and high school students were asked four trivia questions. The number of correct answers...
12. Adults and high school students were asked four trivia questions. The number of correct answers given by each participant was recorded. To the right is a table showing the results. Complete parts a) through e). 0 1 2 3 4 Total Adults 10 27 48 45 38 168 Students 40 12 11 55 47 165 Total 50 39 59 100 85 333 A) If we select a participant at random, what's the probability we choose an adult who...
in a survey on study habits, students at a local college were asked whether they listened...
in a survey on study habits, students at a local college were asked whether they listened to music while studying. the following table was constructed listens to music Does not listen male 44 18 female 13 31 find the probability that a randomly selected student listens to music while studying given that the student is female.
In a recent school year in the state of Washington, there were 325,000 high school students....
In a recent school year in the state of Washington, there were 325,000 high school students. Of these, 156,000 were girls and 169,000 were boys. Among the girls, 54,500 dropped out of school, and among the boys, 10,400 dropped out. A student is chosen at random. Round the answers to four decimal places. (a) What is the probability that the student is male? (b) What is the probability that the student dropped out? (c) What is the probability that the...
Stay in school: In a recent school year in the state of Washington, there were 320,000 high school students.
Stay in school: In a recent school year in the state of Washington, there were 320,000 high school students. Of these, 154,000 were girls and 166,000 were boys. Among the girls, 39,000 dropped out of school, and among the boys, 10,300 dropped out. A student is chosen at random. Round the answers to four decimal places.(a) What is the probability that the student is male?(b) What is the probability that the student dropped out?(c) What is the probability that the...
A survey of 500 randomly selected high school students determined that 87 play organized sports (a) What is the probability that a randomly selected high school student plays organized sports? (b) Interpret this probability. (a) The probability that a randomly selected high school student plays organized sports is Round to the nearest
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