Logo
Home Study Material Contact Search
AI Chat FREE
  1. mathematics
  2. statistics
  3. the national health organization warns that 30% of

The national health organization warns that 30% of the middle school students nationwide have been drunk....

50.1K

Verified Solution

Question

Statistics

The national health organization warns that 30% of the middleschool students nationwide have been drunk. A local health agencyrandomly and anonymously surveys 100 of the middle school studentsin its city and finds that only 21 of them report having beendrunk.

Create a 95% confidence interval for the proportion of thecity's middle school students who have been drunk.

Is there any reason to believe that the national level of 30% isnot true for the middle school students in the city? Test at 1%significance level.

Answer & Explanation Solved by verified expert
3.6 Ratings (444 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

Biology
1.2K views

R-selected species would exhibit? 1. Type 1 survival curve 2. External fertilization 3. Eutherian development 4. Viviparity

Medical Sciences
1.2K views

Name the two main metabolic mechanisms of heat generation employed below the thermoneutral zone.

Medical Sciences
1.2K views

Mollie is a 9-year-old girl admitted to the hospital following a seizure on the playground at...

Basic Math
1.2K views

When the theme of a short story is given directlyA. the author states his message...

Statistics
1.2K views

An article called The Placebo Effect Works and You Can Catch It From Your Doctor...

Calculus
1.2K views

Find the indefinite integral 6u 12u du

Accounting
1.2K views

Trevor is a single individual who is...

Accounting
1.2K views

CrossSport had average total assets of $697,000. Its gross sales were $3,090,000 and its net...

Accounting
1.2K views

Insurance expense a company pays on their factory is a fixed cost, but insurance expense...

Accounting
1.2K views

Rock-On Company produces two products (X and Y) from a joint process. Each product may...

Accounting
1.2K views

On January 1, a company purchased a crane for $ 169,200. The crane will be...

Finance
1.2K views

Which of the statements arising from a third level break down of ROCE is NOT...