A researcher wishes to estimate, with 95% confidence, the population proportion of adults who eat...
80.2K
Verified Solution
Link Copied!
Question
Basic Math
A researcher wishes to estimate, with 95% confidence, the population proportion of adults who eat fast food four to six times per week. Her estimate must be accuratewithin 3% of the population proportion.(a) No preliminary estimate is available. Find the minimum sample size needed.(b) Find the minimum sample size needed, using a prior study that found that 22% of the respondents said they eat fast food four to six times per week.(c) Compare the results from parts (a) and (b).(a) What is the minimum sample size needed assuming that no prior information is available?n= (Round up to the nearest whole number as needed.)
Answer & Explanation
Solved by verified expert
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!
