Logo
Home Study Material Contact Search
AI Chat FREE
  1. mathematics
  2. basic math
  3. the proportion of adult women in a certain geograp

The proportion of adult women in a certain geographical region is approximately 51​%. A marketing survey...

80.2K

Verified Solution

Question

Basic Math

The proportion of adult women in a certain geographical regionis approximately 51​%. A marketing survey telephones 400 people atrandom. Complete parts a through e below.

How would the confidence interval change if the confidence levelhad been 90​% instead of 98​%?

Answer & Explanation Solved by verified expert
3.8 Ratings (436 Votes)
Solution First of all we have to find the 90 confidence interval for the population proportion of adult women in a certain geographical region Confidence interval P ZsqrtP1 Pn We are given Sample proportion P 051 Sample size n 400 Confidence level 90    See Answer
Get Answers to Unlimited Questions

Join us to gain access to millions of questions and expert answers. Enjoy exclusive benefits tailored just for you!

Membership Benefits:
  • Unlimited Question Access with detailed Answers
  • Zin AI - 3 Million Words
  • 10 Dall-E 3 Images
  • 20 Plot Generations
  • Conversation with Dialogue Memory
  • No Ads, Ever!
  • Access to Our Best AI Platform: Flex AI - Your personal assistant for all your inquiries!
Become a Member

Other questions asked by students

Finance
1.2K views

Your firm may purchase certain assets from a struggling competitor. The competitor is asking $50,000,000 for...

Statistics
1.2K views

Find one data set. 50 datums minimum You may use NBA, NHL, MLB, stock market, coinmarketcap...

Mechanical Engineering
1.2K views

A person can never be morally responsible for causing a bad outcome that they did not...

Biology
1.2K views

2 Describe three examples of specialization in the nervous systems of animals 3 Give an...

Physics
1.2K views

A three stage amplifier has a first stage voltage gain of 100 second stage voltage...

Physics
1.2K views

17 Two condensers C and C in a circuit are joined as shown in figure...

Basic Math
1.2K views

A metal strip is being installed around a rectangular workbench that is 12 feet long...

Statistics
1.2K views

A newspaper provided a snapshot illustrating poll results from 1910 professionals who interview job applicants...

Algebra
1.2K views

Consider the first six terms of a sequence shown in the graph Which equation below...

Accounting
1.2K views

Sunland Company has the following data for the weekly payroll ending January 31. Hours Hourly...

Accounting
1.2K views

River Wild is considering purchasing a water park in Orlando, Florida, for $2,050,000. The new...

Finance
1.2K views

eBook The one-year Treasury (risk-free) interest rate in the United States is presently 8 percent,...