Logo
Home Study Material Contact Search
AI Chat FREE
  1. mathematics
  2. statistics
  3. suppose a group of 700 smokers (who all wanted to

Suppose a group of 700 smokers (who all wanted to give up smoking) were randomly assigned...

90.2K

Verified Solution

Question

Statistics

Suppose a group of 700 smokers (who all wanted to give upsmoking) were randomly assigned to receive an antidepressant drugor a placebo for six weeks. Of the 164 patients who received theantidepressant drug, 41 were not smoking one year later. Of the 536patients who received the placebo, 107 were not smoking one yearlater. Given the null hypothesisH0:(pdrug−pplacebo)=0and the alternative hypothesisHa:(pdrug−pplacebo)≠0,conduct a test to see if taking an antidepressant drug can helpsmokers stop smoking. Use α=0.01

,

(a) The test statistic is

(b) The P-value is

(c) The final conclusion is

A. There is not sufficient evidence to determinewhether the antidepressant drug had an effect on changing smokinghabits after one year.
B. There seems to be evidence that the patientstaking the antidepressant drug have a different success rate of notsmoking after one year than the placebo group.

Answer & Explanation Solved by verified expert
4.5 Ratings (933 Votes)
a To test the hypothesis as mention in the question the teststatistic is reject H0 ifWhere are the proportion estimates of antipressant drug and placeborespicetively    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: Zin AI - Your personal assistant for all your inquiries!
Become a Member

Other questions asked by students

Q

Rhodes Corporation: Income Statements for Year Ending December 31 (Millions of Dollars) 2016 2015 Sales $10,800.0 $9,000.0 Operating costs excluding depreciation 8,910.0 7,650.0 Depreciation and...

Finance
Q

Given KlO3 concentration= .01405 M and Na2S2O3 concentration= 0.5300 M, how many moles of triiodide is...

Chemistry
Q

I recently performed a lab on Chemical Equilibrium. Here is some background on the experiment: -We made...

Chemistry
Q

Labster - Bacterial Growth Curves Extension Learner Outcomes BI280-04 Compare and contrast the growth and reproduction of microorganisms. BI280-04.02...

Biology
Q

Palladium-103 (Pd-103) has a half-life of 17 days. Its molar mass is 0.10291 kg/mol. 1) What is...

Physics
Q

Consider a hydrogen like atom whose energy in nth exicited state is given by En...

Physics
Q

Find the magnitude and direction angle of the following vector. Write your angle in degrees...

Basic Math
Q

Graph y a 1 y 2x 3 D 7 6 54 3 2 1 B...

Algebra
Q

Unit 4b Test Rational Functions 4 of 15 Simplify a 6 2a 2b 8 a...

Algebra
Q

tree on a hillside casts a shadow c 220 ft down the hill If the...

Algebra
Q

Perdon Corporation manufactures safes

Accounting
Q

If an employer shares why an employee was fired with the public, the employer may...

Accounting