Answered step by step
Verified Expert Solution
Link Copied!

Question

1 Approved Answer

On November 15 - 18, 2012 Gallup conducted a survey of 1,015 randomly selected U.S. adults about Black Friday shopping. They asked the following question:

On November 15 - 18, 2012 Gallup conducted a survey of 1,015 randomly selected U.S. adults about "Black Friday" shopping. They asked the following question:

"As you know, the Friday after Thanksgiving is one of the biggest shopping days of the year.

Looking ahead, do you personally plan on shopping on the Friday after Thanksgiving, or not?"

Of the 515 men who responded, 82 (16%) said "Yes." Of the 500 women who responded, 100 (20%) said "Yes."

8. Construct a 95% confidence interval for the difference between the proportion of men and women who planned to shop on the Friday after Thanksgiving. Use three decimal places when computing the margin of error. Use 2 Prop Z Interval.

A) .007 to .087

B) .070 to .087

C) .087 to .007

D) -.087 to .007

Step by Step Solution

There are 3 Steps involved in it

Step: 1

blur-text-image

Get Instant Access to Expert-Tailored 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

Discrete Mathematics and Its Applications

Authors: Kenneth H. Rosen

7th edition

0073383090, 978-0073383095

More Books

Students also viewed these Mathematics questions

Question

What is a conveyor?

Answered: 1 week ago

Question

What is a reaction function?

Answered: 1 week ago