Logo
Home Study Material Contact Search
AI Chat FREE
  1. mathematics
  2. statistics
  3. question runners is a well established company wit

Question Runners is a well established company with thousands of employees and they want to estimate the...

90.2K

Verified Solution

Question

Statistics

Question

Runners is a well established company with thousands ofemployees and they want to estimate the average age of theirworkers. A sample of 10 employees was taken. Assuming thepopulation has a standard deviation of 8, we want to find a 90%confidence interval for the population mean.

If the mean of the sample is 31.5, what is the confidenceinterval estimate?

A population standard deviation is estimated te be 11 . we wantto estimate the population mean within 0.5 with 90 percent of levelof confidence . what sample size is required ?

Answer & Explanation Solved by verified expert
4.1 Ratings (593 Votes)
Solution Given thatPoint estimate sample mean 315sample standard deviation s 8sample size n    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

Shown in figure there is a simple network of these resistors R 1 R 20...

Physics
1.2K views

No 6 View In English A cylinder containing an ideal gas is in vertical position...

Physics
1.2K views

rotating Three wire loops and an observer are positioned as shown in the figure From...

Geometry
1.2K views

Question 20 of 20 U3 Company is considering three long term ca on each project...

Algebra
1.2K views

Factor x xy 12y

Accounting
1.2K views

The following selected accounts and their current balances appear in the ledger of Clairemont Co....

Accounting
1.2K views

Assignment: Prepare an income statement and a balance sheet. Sales: 577219 ...

Accounting
1.2K views

(Retail Inventory Method) Presented below is information related to Mantle Company. Cost Retail Beginning...

Accounting
1.2K views

Harwell Company manufactures automobile tires. On July 15,2024, the company sold 2,200 tires to the...

Accounting
1.2K views

1) Examples of market segments include sales territories, products, salespersons, and customers. true or false...

Accounting
1.2K views

Problem 9.05 a1-a6 Crane Corp. is a fast-growing company whose management expects it to grow...

Accounting
1.2K views

Ellen paid $15,000 of qualified education expenses for an eligible student. Based on those expenses,...