Logo
Home Study Material Contact Search
AI Chat FREE
  1. mathematics
  2. basic math
  3. construct an 80​% confidence interval to es

Construct an 80​% confidence interval to estimate the population mean when x overbar=131 and s​ =...

50.1K

Verified Solution

Question

Basic Math

Construct an 80​% confidence interval to estimate the populationmean when x overbar=131 and s​ = 28 for the sample sizes below.​

a) n=20

​b) n=50 ​

c) n=80

Answer & Explanation Solved by verified expert
4.5 Ratings (631 Votes)
Solution Given thatPoint estimate sample mean 131sample standard deviation s 28a sample size n 20Degrees of freedom df n 1 20 1 19At 80 confidence    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

An electric company received a shipment of several thousand resistors with 100 ohm ratings. A sample...

Statistics
Q

A Cournot oligopoly consists of four firms, each with a marginal cost of production of MC=10....

Economics
Q

A major league pitcher stands on the pitching mound 60ft 6in from home plate throws a...

Physics
Q

A vapor-compression refrigeration cycle working with R22 contains a liquid-to-suction heat exchanger. The saturated liquid refrigerant at...

Mechanical Engineering
Q

Using the atmospheric data estimate how many years that it took for CO to go...

Biology
Q

Select each of the following hypothesis that are testable and falsiable You may select more...

Biology
Q

Find the length of side to the nearest tenth X

Geometry
Q

Westerville Company reported the following results from last years operations: ...

Accounting
Q

I need all the excel formulas to enter into each cell not just the answers!!!!!...

Accounting
Q

The operating revenues of the three largest business segments for Time Warner, Inc., for a...

Accounting
Q

The following transactions occur in November. November 1 Issue common stock in exchange for $12,900...

Accounting
Q

Swan Company has two divisions, Hill and Paradise. Hill produces a unit that Paradise could...

Accounting