Question

A college gives aptitude tests in the sciences and the humanities to all incoming first year students. If X and Y are the proportions of correct answers on the science and humanities exams, respectively, then the joint pdf of X, Y is given by: 1. otherwise a. Are X and Y independent? Why or why not? b. Find P(X <5.Y <^). What does this probability represent?

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

7he pdf of X.Y s given b fir 을-12xy + 3f7 = 흗.lrx+ 욜-o 2 Considet 2S ore nof indypedentthe probability represents 31% students get correct answer of given propoertion

Add a comment
Know the answer?
Add Answer to:
A college gives aptitude tests in the sciences and the humanities to all incoming first year...
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
  • The following table gives the joint probability distribution between employment status & college graduation in the...

    The following table gives the joint probability distribution between employment status & college graduation in the US working age population for 2012. Unemployed (Y=0) Employed (Y=1) Total Non-college graduates (X=0) 0.053 0.586 0.639 College graduates (X=1) 0.015 0.346 0.361 Total 0.068 0.932 1 Calculate the unemployment rate for college graduates, & for non-college graduates. A randomly selected member of the population reports being unemployed. What is the probability that they are a college graduate? A non-college graduate? Are educational achievement...

  • ACT, Inc., the producer of the ACT test of readiness for college work, also produces tests for 8th and 9th grade students designed to help them to plan for the future. Two of these tests measure read...

    ACT, Inc., the producer of the ACT test of readiness for college work, also produces tests for 8th and 9th grade students designed to help them to plan for the future. Two of these tests measure reading and mathematics achievement. Each has scores that range from 1 to 25. For students tested in the fall of their 8th grade year, the reading test has mean 13.9 and standard deviation 3.63. The mean score on the math test is 14.4 and...

  • please answer all parts for the first questions and only the last part for the second...

    please answer all parts for the first questions and only the last part for the second one. I posted the second one already but the the last part was incorrect. thank you for the help. 16. 0/0.35 points Previous Answers DevoreStat9 5.E.009. My Noteso Ask Your Teacher Each front tire on a particular type of vehicle is supposed to be filled to a pressure of 26 psi. Suppose the actual air pressure in each tire is a random variable-X for...

  • Professor Gill has taught General Psychology for many years. During the semester, she gives three multiple-choice...

    Professor Gill has taught General Psychology for many years. During the semester, she gives three multiple-choice exams, each worth 100 points. At the end of the course, Dr Gil gives a comprehensive alworth 200 poset, and represent students scores on exams 1, 2, and respectively. Let X represent the student's score on the final exam. Last semester De Gil had 25 students in her cess. The student exam scores are shows below 73 75 152 93 185 91 90 180...

  • i need help on question 3 to 22 please. Midterm ex review. MATH 101 Use the...

    i need help on question 3 to 22 please. Midterm ex review. MATH 101 Use the following information to answer the next four exercises. The midterm grades on a chemistry exam, graded on a scale of 0 to 100, were: 62, 64, 65, 65, 68, 70, 72, 72, 74, 75, 75, 75, 76,78, 78, 81, 82, 83, 84, 85, 87, 88, 92, 95, 98, 98, 100, 100,740 1. Do you see any outliers in this data? If so, how would...

  • Have to show work for every problem 4. A company uses three plants to produce a...

    Have to show work for every problem 4. A company uses three plants to produce a new computer chip. Plant A produces 30% of the chips. Plant B produces 45% of the chips. The rest of the chips are produced by plant C. Each plant has its own defectiv rate. These are: plant A produces 3% defective chips, plant B produces 1% defective chips, plant C produces 5% defective chips. Hint: draw a tree diagram. (a) Construct a tree diagram...

  • QUESTION 1 Consider the following OLS regression line (or sample regression function): wage =-2.10+ 0.50 educ...

    QUESTION 1 Consider the following OLS regression line (or sample regression function): wage =-2.10+ 0.50 educ (1), where wage is hourly wage, measured in dollars, and educ years of formal education. According to (1), a person with no education has a predicted hourly wage of [wagehat] dollars. (NOTE: Write your answer in number format, with 2 decimal places of precision level; do not write your answer as a fraction. Add a leading minus sign symbol, a leading zero and trailing...

  • STATI501-Elementary Biological Statistics I Assignment #1 Winter 2019 Due Friday, Feb 8,2019,at the beginning of the...

    STATI501-Elementary Biological Statistics I Assignment #1 Winter 2019 Due Friday, Feb 8,2019,at the beginning of the class Instructions: . Use appropriate notations in your answers . Show all steps of your work. Otherwise. part marks will not be given. Write neat and clear (e g. big enough and less cramped up) . Answer the questions in order AND staple their pages in order . Make a photocopy of your assignment for your record. - There are 10 questions and some...

  • STATI501-Elementary Biological Statistics I Assignment #1 Winter 2019 Due Friday, Feb 8,2019,at the beginning of the...

    STATI501-Elementary Biological Statistics I Assignment #1 Winter 2019 Due Friday, Feb 8,2019,at the beginning of the class Instructions: . Use appropriate notations in your answers . Show all steps of your work. Otherwise. part marks will not be given. Write neat and clear (e g. big enough and less cramped up) . Answer the questions in order AND staple their pages in order . Make a photocopy of your assignment for your record. - There are 10 questions and some...

  • Hi there! I need to compare two essay into 1 essay, and make it interesting and...

    Hi there! I need to compare two essay into 1 essay, and make it interesting and choose couple topics which im going to talk about in my essay FIRST ESSAY “Teaching New Worlds/New Words” bell hooks Like desire, language disrupts, refuses to be contained within boundaries. It speaks itself against our will, in words and thoughts that intrude, even violate the most private spaces of mind and body. It was in my first year of college that I read Adrienne...

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
ADVERTISEMENT