A new railroad is proposed to be built between Canada and the USA. A survey of the opinions about this project showed a difference between the two countries in people that were in favour of this expansion. In Canada they surveyed 1627 people and found that the percentage of people in favour was 82.1%, wheras in USA they surveyed 1529 people and found it to be 40.6%.Find the upper limit of a 99% CI for the difference between the two proportions (PCanada – PUSA).

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter2: Equations And Inequalities
Section: Chapter Questions
Problem 59RE
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Round any intermediate numbers to 4 decimal places. Please round final answer to 3 decimal places. 

A new railroad is proposed to be built between Canada and the USA. A survey of the
opinions about this project showed a difference between the two countries in
people that were in favour of this expansion. In Canada they surveyed 1627 people
and found that the percentage of people in favour was 82.1%, wheras in USA they
surveyed 1529 people and found it to be 40.6%.Find the upper limit of a 99% CI for
the difference between the two proportions (PCanada – PUSA).
Transcribed Image Text:A new railroad is proposed to be built between Canada and the USA. A survey of the opinions about this project showed a difference between the two countries in people that were in favour of this expansion. In Canada they surveyed 1627 people and found that the percentage of people in favour was 82.1%, wheras in USA they surveyed 1529 people and found it to be 40.6%.Find the upper limit of a 99% CI for the difference between the two proportions (PCanada – PUSA).
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