Answered step by step
Verified Expert Solution
Link Copied!

Question

1 Approved Answer

Question 3 of 4 Satised? A 2010 poll asked people of a certain region whether they were satised with their nancial situation. A total of

image text in transcribed
Question 3 of 4 Satised? A 2010 poll asked people of a certain region whether they were satised with their nancial situation. A total of 339 out of 330 people said they were satised. The same question was asked in 2012. and 303 out of 1153 people said they were satised. Partlof2 {a} Construct a 93% condence interval for the difference between the proportions of adults who said they were satised in 2012 and 2010. Let p1 denote the proportion of adults who said they were satised in 2010 and let p2 denote the proportion of adults who said they were satised in 2012. Use the 11-34 Plus calculator and round the answers to three decimal places. A 93% condence interval for the difference between the proportions of adults who said they were satised in 2012 and 2010 is s: p1 p2 4:: Part2of2 lb} A sociologist claims that the proportion of people who are satised decreased from 2010 to 2012 by more than 0.201 Does the condence interval contradict this claim? Because the condence interval values above 0.202. it the claim that the proportion of peoplet'r \"S .liilre satised decreased from 2010 to flby more than 0.207. Blank 1 Options Blank 2 Options - contains - contradicm I dDES not contain I {1025 not contradict

Step by Step Solution

There are 3 Steps involved in it

Step: 1

blur-text-image

Get Instant Access with AI-Powered Solutions

See step-by-step solutions with expert insights and AI powered tools for academic success

Step: 2

blur-text-image

Step: 3

blur-text-image

Ace Your Homework with AI

Get the answers you need in no time with our AI-driven, step-by-step assistance

Get Started

Recommended Textbook for

Intro Stats

Authors: Richard D De Veaux, Paul F Velleman, David E Bock, Nick Horton

5th Edition

0134668421, 9780134668420

Students also viewed these Mathematics questions

Question

Draw a picture consisting parts of monocot leaf

Answered: 1 week ago