Logo
Home Study Material Contact Search
AI Chat FREE
  1. mathematics
  2. basic math
  3. let p be the (unknown) proportion of males in a to

Let p be the (unknown) proportion of males in a town of 100, 000 residents. A...

50.1K

Verified Solution

Question

Basic Math

Let p be the (unknown) proportion of males in a town of 100, 000residents. A political scientist takes a simple random sample of100 residents from this town.

(a) Write down the exact pmf, as well as an approximate pmf, forthe number of males in the sample. (They should both depend onp).

(b) If the number of males in the sample is 55 or more, thepolitical scientist will claim that there are more males thanfemales in the town. If the number of males in the sample is lessthan 55, he/she will claim that the number of males in the town issmaller or equal to that of females. What is approximately theprobability that his/her claim will be correct if the trueproportion of males in the town, p, is 50%? What if p = 55%?

(c) Report an approximate 68% confidence interval for p if 65 ofthe 100 residents in the sample are male.

Answer & Explanation Solved by verified expert
3.9 Ratings (579 Votes)
    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

Q

Calculate delta H rxn (at 500K) for the formation of 1 mol of ammonia gas. (show...

Chemistry
Q

What are Import-Substitution Industrialization (ISI) and Export-Oriented Industrialization (EOI)? Why do countries place such importance on industrializing?...

Psychology
Q

0 The percentage grade of a road measures the change in the altitude of a...

Geometry
Q

The duration of a professor's class has continuous uniform distribution between 49.2 minutes and 55.5...

Basic Math
Q

Determine whether the sampling method described below appears to be sound or is flawed In...

Statistics
Q

Ali takes out a loan for his college tuition from a bank that charges simple...

Algebra
Q

Nation Sporting Goods started April with an inventory of 8 sets of golf...

Accounting
Q

the ones i didnt full is because im stuck in those parts ...

Accounting
Q

On July 1,2021 , Hale Kennels sells equipment for $215000. The equipment originally cost $594000,...

Accounting
Q

Gipple Corporation makes a product that uses a material with the quantity standard of 7.3...

Accounting
Q

Excel Activity: Financial Statements, Cash Flow, and Taxes Laiho Industries's 2020 and 2021 balance sheets...

Accounting
Q

Marko, Inc. is considering the purchase of ABC Co. Marko believes that ABC Co. can...

Finance