Question

Data were collected on 100 students regarding their class and major. The data are summarized in...

Data were collected on 100 students regarding their class and major. The data are summarized in the following contingency table:

Major/class

Sophomore

Junior

Senior

Total

Undeclared

19

5

6

30

Business

5

17

16

38

Science

5

6

21

32

Total

29

28

43

100

.

What is the probability of randomly selecting an undeclared student given that the student is a senior?

0.30

0.14

0.73

0.43

0 0
Add a comment Improve this question Transcribed image text
Answer #1

Total senior students =43

P(undeclared | senior) = P(undeclared and senior)/P(senior)

= 6/43 =0.1395

So the answer is 0.14 (Option B) (rounded to 2 decimal places)

Please comment if any doubt. Thank you

Add a comment
Know the answer?
Add Answer to:
Data were collected on 100 students regarding their class and major. The data are summarized in...
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for? Ask your own homework help question. Our experts will answer your question WITHIN MINUTES for Free.
Similar Homework Help Questions
  • o Probability Rules 10. The Committee on Student Life did a survey of 417 students regarding...

    o Probability Rules 10. The Committee on Student Life did a survey of 417 students regarding satisfaction with Student Government and class standing. The results follow: Freashman Sophomore Junion Total Not Satisfied Neutral Satisfied23 Total 17 61 32 3816 A3 65 80 0311A98 16 17 101 Assume the sample represents the entire population o students. Find the probability that a student selected at random is: (a) Satisfied (b) Satisfied, given the student is a Senior (c) Neutral (d) Neutral and...

  • PART I: Create an abstract Java class named “Student” in a package named “STUDENTS”. This class...

    PART I: Create an abstract Java class named “Student” in a package named “STUDENTS”. This class has 4 attributes: (1) student ID: protected, an integer of 10 digits (2) student name: protected (3) student group code: protected, an integer (1 for undergraduates, 2 for graduate students) (4) student major: protected (e.g.: Business, Computer Sciences, Engineering) Class Student declaration provides a default constructor, get-methods and set-methods for the attributes, a public abstract method (displayStudentData()). PART II: Create a Java class named...

  • A survey of undergraduate students in the School of Business at Northern University revealed the following regarding the gender and majors of the students: Major Gender Accounting Management Finance Total Male 100 150 50 300 Female 100 50 50 200 Total

    A survey of undergraduate students in the School of Business at Northern University revealed the following regarding the gender and majors of the students:MajorGender Accounting Management Finance Total Male 100 150 50 300 Female 100 50 50 200 Total 200 200 100 500 a. What is the probability of selecting a female student?b. What is the probability of selecting a finance or accounting major?e. What is the probability of selecting an accounting major, given that the person selectedis a male?

  • To test whether students in a higher grade level will be less disruptive in class, a...

    To test whether students in a higher grade level will be less disruptive in class, a school psychologist records the number of documented interruptions during one day of classes from nine local high schools. The sample consisted of nine (n = 9) freshman, sophomore, junior, and senior high school classes. The data for each high school class are given in the table. High School Class Freshman      Sophomore     Junior     Senior 2                       3                    1               5 4                       2                        3              2 1                       2                     ...

  • To test whether students in a higher grade level will be less disruptive in class, a...

    To test whether students in a higher grade level will be less disruptive in class, a school psychologist records the number of documented interruptions during one day of classes from nine local high schools. The sample consisted of nine (n-9) freshman, sophomore, junior, and senior high school classes. The data for each high school class are given in the table High School Class Freshman Sophomore Junior Senion 0 4 4 6 (a) Complete the F-table. (Round your answers to two...

  • QUESTION 4 This semester , we collected data at the beginning of the semester on a...

    QUESTION 4 This semester , we collected data at the beginning of the semester on a variety of characteristics. In this problem, we are going to compare eye color and academic classification. Here are the results for 205 people that answered both questions. Assuming the null hypothesis that eye color and academic classification are independet, find the expected count for students with both brown eyes and sophomore classification. Round your answer to 2 decimal places Class Blue Brown Other Total...

  • The following table provides information on a sample of students in my class. Use the data...

    The following table provides information on a sample of students in my class. Use the data in the table to answers the questions that follow (show all calculations involved) and describe the typical student in my class. School Year Standing FRESHEMAN SOPHOMORE Major ECONOMICS MARKETING MANAGEMENTJUNIOR MARKETING Age(Years) 19.00 19.00 20.00 22.00 19.00 23.00 25.00 Attendance %) Name Albert, C. Allison, J. Amanda, B Anderson, M Ben, J Benedict, M Elizabeth, K Gender SAT Score 1,205 1,090 1,300 1,230 1,124...

  • 7. + 1/5 points | Previous Answers StatsByLO1 8.12.010.CHDS. The table shows the number of students...

    7. + 1/5 points | Previous Answers StatsByLO1 8.12.010.CHDS. The table shows the number of students who major in each of the following physical sciences at a university. Freshman Sophomore Physics Chemistry 12 8 12 | 15 20 56 55 Earth Science Astronomy 11 17 9 / 11 4 14 5 29 29 71 Total 48 50 49 64 211 Junior Senior Total (a) What type of data are given in the table? discrete continuous (b) What level of measurement...

  • 5. (10 pts) The table below provides summary information about students in a class. The gender...

    5. (10 pts) The table below provides summary information about students in a class. The gender of each individual and the major is given. Female 18 Total 30 history biotechnology Other Total Male 12 101 26 48 26 52 5 2 100 A student is randomly selected from this group, and it is found that the student is majoring in biotechnology. What is the probability that the student is a male? a) 0.21 B) 0.10 c) 0.56 d) 0.48 e)...

  • Data were collected from a survey given to graduating college seniors on the number of times...

    Data were collected from a survey given to graduating college seniors on the number of times they had changed majors. From that data, a probability distribution was constructed. The random variable X is defined as the number of times a graduating senior changed majors. It is shown below: 0 1 2 3 4 5 6 7 8 P(X = a) 0.28 0.238 0.196 0.153 0.073 0.039 0.017 0.003 0.001 a. What is the probability that a randomly selected student changed...

ADVERTISEMENT
Free Homework Help App
Download From Google Play
Scan Your Homework
to Get Instant Free Answers
Need Online Homework Help?
Ask a Question
Get Answers For Free
Most questions answered within 3 hours.
ADVERTISEMENT
ADVERTISEMENT