Logo
Home Study Material Contact Search
AI Chat FREE
  1. mathematics
  2. statistics
  3. a simple random sample of size n is drawn from a p

A simple random sample of size n is drawn from a population that is normally distributed....

50.1K

Verified Solution

Question

Statistics

A simple random sample of size n is drawn from a population thatis normally distributed. The sample​ mean, x overbar​, is found tobe 109​, and the sample standard​ deviation, s, is found to be10.

​(a) Construct a 98​% confidence interval about mu if thesample​ size, n, is 18.

​(b) Construct a 98​% confidence interval about mu if thesample​ size, n, is 25. ​

(c) Construct a 99​% confidence interval about mu if the sample​size, n, is 18.

​(d) Could we have computed the confidence intervals in parts​(a)-(c) if the population had not been normally​ distributed?

Answer & Explanation Solved by verified expert
3.6 Ratings (499 Votes)
Refer ttable or use excel    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

Physics
1.2K views

Explain why gravitational lensing is not a great way to discover large numbers of extrasolar planets...

Advance Math
1.2K views

use Simpson's 3/8th Rule on the first 3 segments, and multiple application of Simpson's 1/3rd Rule...

General Management
1.2K views

Choose an example of an organization with a mechanistic structure. Describe the features that lead you to...

Algebra
1.2K views

An arctic village maintains a circular cross country ski trail that has a radius of...

Accounting
1.2K views

You are trying to determine whether to expand your business by building a new manufacturing...

Accounting
1.2K views

21. Which of the following terms refers to the recording of financial transactions? Bookkeeping Accounting...

Accounting
1.2K views

Exercise 8-14 (Algo) Determine proper treatment of a contingent liability (LO8-5) Great Lakes Cruise Lines...

Accounting
1.2K views

Beginning inventory, purchases, and sales for an inventory item are as follows: ...

Accounting
1.2K views

I just need the answers to 1 & 2 ...

Accounting
1.2K views

Choose a business to use as an example (ex. Walmart). Answer the following questions regarding...

Accounting
1.2K views

Examine the role of professional ethics in conducting an audit. Select an ethical...

Accounting
1.2K views

Woodiand Hotels Incorporated operates four resorts in the heavily wooded areas of northern California. The...