A piano teacher estimates 20% of piano students come from musical families and 15% of those...
A piano teacher estimates 20% of piano students come from musical families and 15% of those play another musical instrument. What is the probability that a randomly selected piano student plays another musical instrument given that the student comes from a musical family (two decimal places)?
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A piano teacher estimates 20% of piano students come from
musical families and 15% of those...
A Spanish teacher estimates 25% of Spanish students come from immigrant families and 18% of those...
A Spanish teacher estimates 25% of Spanish students come from immigrant families and 18% of those speak more than two languages. What is the probability that a randomly selected Spanish student speaks more than two languages given that the student comes from an immigrant family (two decimal places)?
STC 308 AM 68%- Done IBQs Probability (2 of 2) 5) There are 20 students in...
STC 308 AM 68%- Done IBQs Probability (2 of 2) 5) There are 20 students in a classroom. Each student plays only one sport. The table below gives their sport and gender Football Tennis Hockey Female Male 4 (a) One student is selected at random (i) Calculate the probability that the student is a male or is a tennis player Given that the student selected is female, calculate the probability that the student does not play football. (b) Two students...
A physics class has 40 students. Of these, 15 students are physics majors and 17 students...
A physics class has 40 students. Of these, 15 students are physics majors and 17 students are female. Of the physics majors, six are female. Find the probability that a randomly selected student is female or a physics major. The probability that a randomly selected student is female or a physics major is nothing . (Round to three decimal places as needed.)
A physics class has 40 students. Of these, 15 students are physics majors and 17 studernts...
A physics class has 40 students. Of these, 15 students are physics majors and 17 studernts are female. Of the physics majors, six are female. Find the probability that a randomly selected student is female or a physics major The probability that a randomly selected student is female or a physics major is (Round to three decimal places as needed.)
A student at a junior college conducted a survey of 20 randomly selected full-time students to...
A student at a junior college conducted a survey of 20 randomly selected full-time students to determine the relation between the number of hours of video game playing each week, x, and grade-point average, y. She found that a linear relation exists between the two variables. The least squares regression line that describes this relation is ģ= -0.0564x + 2 9482 (a) Predict the grade-point average of a student who plays video games 8 hours per week. The predicted grade...
(20 pts) A class has three sections. Section has 70 students, 14 of whom received an...
(20 pts) A class has three sections. Section has 70 students, 14 of whom received an A on Exam 1. Section 2 has 50 students, 8 of whom received an A on Exam 1. Section 3 has 40 students, 6 of whom received an A on Exam 1. A student is randomly selected from the class. (a) What is the probability the student was in Section 1? (b) What is the probability that the student received an A on Exam...
Question 5 (S points) In a survey on study hablts, students at a local college were...
Question 5 (S points) In a survey on study hablts, students at a local college were asked whether they lIstened to music while studying. The following table was constructed. Listens to Does Not MuslcListen to Male49 Female17 Music 36 32 Find the probability that a randomly selected student Ilstens to music while studying given that the student Is female Write only a number a your answer. Round to two declmal places (for example: 0.73). Do not write as a percentage...
This Question: 1 pt 15 A frequency distribution for the class level of students in an...
This Question: 1 pt 15 A frequency distribution for the class level of students in an introductory statistics course is shown. Two students are randomly selected without replacement. Complete parts (a) Class Frequency Freshman Sophomore16 through (d). Junior Senior a. Determine the probability that the first student obtained is a junior and the second a senior. The probability that the first student obtained is a junior and the second a senior is Type an integer or a decimal rounded to...
3. Major Grade-GroupBiology Nursing Math 25 40 404 35 Accounting Total 35 25 15 20 A-Students...
3. Major Grade-GroupBiology Nursing Math 25 40 404 35 Accounting Total 35 25 15 20 A-Students 15 40 10 15 15 25 B-Students C-Students D-Students 10 H-Students Total Given the above table, what is the probability that: (a)if a student is selected at random that the student is a math major? (b) ifa student is selected at random that the student is either a math major or a biology major? O if a student is selected at random that the...
13. The political action club has surveyed 240 students on your campus regarding the relationship between...
13. The political action club has surveyed 240 students on your campus regarding the relationship between their political affiliation and their preference in the 2012 presidential election. The results are given in the following table: Independent Totals Democrat Republican 105 12 25 142 Preferred Obama Preferred Romney Totals 68 15 98 15 120 80 40 240 If a student is selected randomly from those surveyed, find the probability that the student is a Democrat, given that the student preferred Romney....
STC 308 AM 68%- Done IBQs Probability (2 of 2) 5) There are 20 students in a classroom. Each student plays only one sport. The table below gives their sport and gender Football Tennis Hockey Female Male 4 (a) One student is selected at random (i) Calculate the probability that the student is a male or is a tennis player Given that the student selected is female, calculate the probability that the student does not play football. (b) Two students...
A physics class has 40 students. Of these, 15 students are physics majors and 17 studernts are female. Of the physics majors, six are female. Find the probability that a randomly selected student is female or a physics major The probability that a randomly selected student is female or a physics major is (Round to three decimal places as needed.)
A student at a junior college conducted a survey of 20 randomly selected full-time students to determine the relation between the number of hours of video game playing each week, x, and grade-point average, y. She found that a linear relation exists between the two variables. The least squares regression line that describes this relation is ģ= -0.0564x + 2 9482 (a) Predict the grade-point average of a student who plays video games 8 hours per week. The predicted grade...
(20 pts) A class has three sections. Section has 70 students, 14 of whom received an A on Exam 1. Section 2 has 50 students, 8 of whom received an A on Exam 1. Section 3 has 40 students, 6 of whom received an A on Exam 1. A student is randomly selected from the class. (a) What is the probability the student was in Section 1? (b) What is the probability that the student received an A on Exam...
Question 5 (S points) In a survey on study hablts, students at a local college were asked whether they lIstened to music while studying. The following table was constructed. Listens to Does Not MuslcListen to Male49 Female17 Music 36 32 Find the probability that a randomly selected student Ilstens to music while studying given that the student Is female Write only a number a your answer. Round to two declmal places (for example: 0.73). Do not write as a percentage...
This Question: 1 pt 15 A frequency distribution for the class level of students in an introductory statistics course is shown. Two students are randomly selected without replacement. Complete parts (a) Class Frequency Freshman Sophomore16 through (d). Junior Senior a. Determine the probability that the first student obtained is a junior and the second a senior. The probability that the first student obtained is a junior and the second a senior is Type an integer or a decimal rounded to...
3. Major Grade-GroupBiology Nursing Math 25 40 404 35 Accounting Total 35 25 15 20 A-Students 15 40 10 15 15 25 B-Students C-Students D-Students 10 H-Students Total Given the above table, what is the probability that: (a)if a student is selected at random that the student is a math major? (b) ifa student is selected at random that the student is either a math major or a biology major? O if a student is selected at random that the...
13. The political action club has surveyed 240 students on your campus regarding the relationship between their political affiliation and their preference in the 2012 presidential election. The results are given in the following table: Independent Totals Democrat Republican 105 12 25 142 Preferred Obama Preferred Romney Totals 68 15 98 15 120 80 40 240 If a student is selected randomly from those surveyed, find the probability that the student is a Democrat, given that the student preferred Romney....
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