Logo
Home Study Material Contact Search
AI Chat FREE
  1. mathematics
  2. basic math
  3. ) the paralyzed veterans of america is a philanthr

) The Paralyzed Veterans of America is a philanthropic organization that relies on contributions. They send...

70.2K

Verified Solution

Question

Basic Math

) The Paralyzed Veterans of America is a philanthropicorganization that relies on contributions. They send free mailinglabels and greeting cards to potential donors on their list and askfor a voluntary contribution. To test a new campaign, they recentlysent letters to a random sample of 100,000 potential donors andreceived 4781 donations.

i. Give a 95% confidence interval for the true proportion ofthose from their entire mailing list who may donate. What is themargin of error of your confidence interval?

ii. Interpret your confidence interval. A staff member thinksthat the true rate is 5%. Given the confidence interval you found,do you think that percentage plausible? Why?

iii. A confidence interval based on the same sample is (0.04676,0.04886). What is the confidence level of this confidenceinterval?

Answer & Explanation Solved by verified expert
3.6 Ratings (326 Votes)
We are 95 confident that the    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

Basic Math
1.2K views

according to a 2009 Reader's Digest article, people throw away approximately 16% of what they buy...

Chemistry
1.2K views

Let's say you are going to titrate a 200 ml solution of 0.5M KOH with a...

Chemistry
1.2K views

During an adiabatic expansion of an ideal gas, which stays constant? a) U b) H c) S Internal Energy stays...

Biology
1.2K views

Using the video link pick one type of passing and describe how the All Attack...

Biology
1.2K views

39 SSSS 0000 O I 1 Which type of cell division is this How do...

Basic Math
1.2K views

You have the following question on a survey. "Would you like a greasy hamburger that...

Calculus
1.2K views

P x 37 x 259 x 433 4 548922 20083 x 151 lao 24 6...

Calculus
1.2K views

Match the sequence with its graph 4n n 1 an 10 8 6 4 2...

Algebra
1.2K views

I Solve the following polynomial Inequality Be sure to verify your answer 2K 2A 2x...

Algebra
1.2K views

An element with mass 780 grams decays by 16 3 per minute How much of...

Accounting
1.2K views

Interest Payments and Interest Expense for Bonds (Straight Line) On December 31, 2013, Perry Manufacturing...

Accounting
1.2K views

Sheridan Inc. sells a product for $74 per unit. The variable cost is $42 per...