Mathematics > EXAM > MATH 225N statistics week 4 contengency tables QUESTIONS WITH COMPLETE SOLUTION LATEST UPDATE 2022 (All)

MATH 225N statistics week 4 contengency tables QUESTIONS WITH COMPLETE SOLUTION LATEST UPDATE 2022

Document Content and Description Below

Contingency tables 1. Researchers wanted to study if couples having children are married. They surveyed a large group of people. The data are shown in the contingency table below. What is the relat... ive risk of having children for those who are married? Round your answer to two decimal places. Children no children total Married – 97 35 132 Not married- 68 71 139 Total 165 106 271 1.50 The probability that someone who is married has children is 97/132. The probability that someone who is not married has children is 68/139. The relative risk is then 97/132 divided by 68/139≈1.50. This means that in this survey, people who are married were 150% as likely to have children as people who are not married 2. A survey of 155 employed citizens was conducted and the results are shown in the table below. Given that a randomly selected survey participant does not work in an office, what is the probability that this person works on Saturday? Enter your answer as a fraction. Does not Work in an Office Works in an Office Total Does not Work Saturday 32 62 94 Works Saturday 14 47 61 Total 46 109 155 7/23 The total number of those not working in an office is 46. Of these, 14 work on Saturday. Therefore, the probability that a randomly selected person from those not working in an office works on Saturday is 14/46=7/23 3. Researchers wanted to study if having a long beak is related to flight in birds. They surveyed a total of 34 birds. The data are shown in the contingency table below. What is the odds ratio for birds having long beaks being able to fly against birds not having long beaks being able to fly? Round your answer to two decimal places. Flies Does not fly Total [Show More]

Last updated: 1 year ago

Preview 1 out of 12 pages

Reviews( 0 )

Recommended For You

 Mathematics> EXAM > 2023 October 10 PSAT QAS (All)

preview
2023 October 10 PSAT QAS

2023 October 10 PSAT QAS

By ClemBSC , Uploaded: Mar 23, 2023

$12

 Mathematics> EXAM > MAT1503 Assignment 8 with Complete Solutions 2023 (All)

preview
MAT1503 Assignment 8 with Complete Solutions 2023

MAT1503 Assignment 8 with Complete Solutions 2023

By Tutor Charles , Uploaded: Jul 27, 2023

$7

 Mathematics> EXAM > OCR A LEVEL JUNE 2022 MATHEMATICS B PAPER 3 QUESTION PAPER (All)

preview
OCR A LEVEL JUNE 2022 MATHEMATICS B PAPER 3 QUESTION PAPER

OCR A LEVEL JUNE 2022 MATHEMATICS B PAPER 3 QUESTION PAPER

By Crum , Uploaded: Feb 27, 2023

$6

 Mathematics> EXAM > HESI A2 MATH FILES CHRISJAY WITH QUESTIONS AND 100% CORRECT ANSWERS(2023-2024) (All)

preview
HESI A2 MATH FILES CHRISJAY WITH QUESTIONS AND 100% CORRECT ANSWERS(2023-2024)

HESI A2 MATH FILES CHRISJAY WITH QUESTIONS AND 100% CORRECT ANSWERS(2023-2024)

By BESTGRADE01 , Uploaded: Jun 23, 2023

$7.5

 Mathematics> EXAM > MATH 110 Portage Learning _Final Exam Questions and Answers (All)

preview
MATH 110 Portage Learning _Final Exam Questions and Answers

MATH 110 Portage Learning _Final Exam Questions and Answers

By Nancylect , Uploaded: Aug 17, 2022

$10

 Mathematics> EXAM > ACT ANSWERED PAST PAPER 21 (All)

preview
ACT ANSWERED PAST PAPER 21

ACT ANSWERED PAST PAPER 21

By ClemBSC , Uploaded: Mar 23, 2023

$7

 Mathematics> EXAM > MATH 225N Week 8 Interpret the Slope & Y-Intercept of the Least Squares Regression Line (Q & A) | Download To Score An A (All)

preview
MATH 225N Week 8 Interpret the Slope & Y-Intercept of the Least Squares Regression Line (Q & A) | Download To Score An A

MATH 225N Week 8 Interpret the Slope & Y-Intercept of the Least Squares Regression Line (Q & A) Question: A scientific study on gerbil population growth results in the data below….. The least squares...

By A+ Solutions , Uploaded: Oct 20, 2022

$15

 Mathematics> EXAM > MATH 225N Week 8 Discussion: Correlation and Regression (GRADED) (All)

preview
MATH 225N Week 8 Discussion: Correlation and Regression (GRADED)

Initial Post Instructions If a regression analysis was to … completed on body mass index (BMI), what could be an independent variable in that analysis? Why? If we could, what other independent vari...

By A+ Solutions , Uploaded: Oct 20, 2022

$11.5

 Mathematics> EXAM > MATH 225N Week 8 Stats Assignment-Performing Linear Regressions with Technology -Exel . (GRADED) (All)

preview
MATH 225N Week 8 Stats Assignment-Performing Linear Regressions with Technology -Exel . (GRADED)

Week 8 Stats Assignment- Performing Linear Regressions with Technology –Exel Determine the best fit linear regression equation using Technology - Excel Question The table below shows data on annu...

By A+ Solutions , Uploaded: Oct 18, 2022

$11.5

 Mathematics> EXAM > MATH 225N Week 8 Assignment Linear Regression Equations | Questions and Answer elaborations | Already GRADED A (All)

preview
MATH 225N Week 8 Assignment Linear Regression Equations | Questions and Answer elaborations | Already GRADED A

Question: Annie owns a tutoring service. For each tutoring session, she charges $75 plus $35 per hour of work. A linear equation that expresses the total amount of money Annie earns per tutoring sessi...

By A+ Solutions , Uploaded: Oct 20, 2022

$15

$12.00

Add to cart

Instant download

Can't find what you want? Try our AI powered Search

OR

GET ASSIGNMENT HELP
26
0

Document information


Connected school, study & course



About the document


Uploaded On

Oct 27, 2022

Number of pages

12

Written in

Seller


seller-icon
Tiara

Member since 1 year

16 Documents Sold


Additional information

This document has been written for:

Uploaded

Oct 27, 2022

Downloads

 0

Views

 26

Document Keyword Tags

THE BEST STUDY GUIDES

Avoid resits and achieve higher grades with the best study guides, textbook notes, and class notes written by your fellow students

custom preview

Avoid examination resits

Your fellow students know the appropriate material to use to deliver high quality content. With this great service and assistance from fellow students, you can become well prepared and avoid having to resits exams.

custom preview

Get the best grades

Your fellow student knows the best materials to research on and use. This guarantee you the best grades in your examination. Your fellow students use high quality materials, textbooks and notes to ensure high quality

custom preview

Earn from your notes

Get paid by selling your notes and study materials to other students. Earn alot of cash and help other students in study by providing them with appropriate and high quality study materials.


$12.00

WHAT STUDENTS SAY ABOUT US


What is Browsegrades

In Browsegrades, a student can earn by offering help to other student. Students can help other students with materials by upploading their notes and earn money.

We are here to help

We're available through e-mail, Twitter, Facebook, and live chat.
 FAQ
 Questions? Leave a message!

Follow us on
 Twitter
Useful links
  • Courses
  • Categories
  • We accept

    payment cards


    Copyright © Browsegrades · High quality services·