Determine the sample size n needed to construct a 99​% confidence interval to estimate the population...

70.2K

Verified Solution

Question

Basic Math

Determine the sample size n needed to construct a 99​%confidence interval to estimate the population proportion when poverbar =0.68 and the margin of error equals 5​%.

n=_______ ​(Round up to the nearest​ integer.)

____________________________________________________________________________________________________________________________

Determine the sample size n needed to construct a 99​%confidence interval to estimate the population mean for thefollowing margins of error when σ=87. ​a) 25 ​b) 40 ​c) 50

Answer & Explanation Solved by verified expert
4.5 Ratings (721 Votes)
z value at 9The following information is provided Significance Level 001 Margin of Error E 005 The provided estimate of proportion p is p 068 The critical value for significance level 001 is 258 The following formula is used to compute the minimum sample size required to estimate the population proportion p within the required margin of error n p1pzcE2 n 0681 0682580052 n 57937 Therefore the sample    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