Logo
Home Study Material Contact Search
AI Chat FREE
  1. mathematics
  2. statistics
  3. an article reported that for a sample of 41 kitche

An article reported that for a sample of 41 kitchens with gas cooking appliances monitored...

80.2K

Verified Solution

Question

Statistics

image

An article reported that for a sample of 41 kitchens with gas cooking appliances monitored during a one week period the sample mean CO level ppm was 654 16 and the sample standard deviation was 166 25 a Calculate and interpret a 95 two sided confidence interval for true average CO level in the population of all homes from which the sample was selected Round your answers to two decimal places 601 69 X I 706 63 X ppm Interpret the resulting interval We are 95 confident that this interval contains the true population mean We are 95 confident that this interval does not contain the true population mean We are 95 confident that the true population mean lies below this interval We are 95 confident that the true population mean lies above this interval b Suppose the investigators had made a rough guess of 179 for the value of s before collecting data What sample size would be necessary to obtain an interval width of 40 ppm for a confidence level of 95 Round your answer up to the nearest whole number kitchens

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: Flex AI - Your personal assistant for all your inquiries!
Become a Member

Other questions asked by students

Psychology
1.2K views

Why do you suppose it took so long for ethologists and psychologists to recognize the larger...

Accounting
1.2K views

4.      Suppose we have two risky assets, Stock I and Stock J, and a risk-free...

Biology
1.2K views

6 Record your final results by clipping screenshot of your final results and paste here

Basic Math
1.2K views

Why Didn t Klutz Do Any Homework on Saturday Either multiply or factor as directed...

Statistics
1.2K views

According to a Pew Research Center poll conducted last year 63 of American adults say...

Calculus
1.2K views

Evaluate the integral below by interpreting it in terms of areas in the figure The...

Accounting
1.2K views

PEYTON APPROVED TRIAL BALANCE 2018 *******Step Five: Prepare the unadjusted trial balance. Note...

Accounting
1.2K views

The stockholders equity section of Peter Corporations balance sheet at December 31,20X1, follows: ...

Accounting
1.2K views

Erie Company manufactures a mobile fitness device called the Jogging Mate. The company uses standards...

Accounting
1.2K views

Use the following information to prepare the July cash budget for Acco Co. It should...

Accounting
1.2K views

El enfoque activo/pasivo: Enfatiza los principios para el reconocimiento de ingresos y...

Accounting
1.2K views

Which of the following is true of enterprise resource planning (ERP) systems? ...