Developing a 90 Percent Confidence Interval for the Population Mean

Nonfiction, Social & Cultural Studies, Social Science, Statistics
Cover of the book Developing a 90 Percent Confidence Interval for the Population Mean by Homework Help Classof1, Classof1
View on Amazon View on AbeBooks View on Kobo View on B.Depository View on eBay View on Walmart
Author: Homework Help Classof1 ISBN: 1230000129654
Publisher: Classof1 Publication: May 2, 2013
Imprint: Language: English
Author: Homework Help Classof1
ISBN: 1230000129654
Publisher: Classof1
Publication: May 2, 2013
Imprint:
Language: English

"Families USA, a monthly magazine that discusses issues related to health and health costs, surveyed 20 of its subscribers. It found that the annual health insurance premiums for a family with coverage through an employer averaged $10,979. The standard deviation of the sample was $1,000.
a. Based on this sample information, develop a 90 percent confidence interval for the population mean yearly premium.
b. How large a sample is needed to find the population mean within $250 at 99 percent confidence?
"

View on Amazon View on AbeBooks View on Kobo View on B.Depository View on eBay View on Walmart

"Families USA, a monthly magazine that discusses issues related to health and health costs, surveyed 20 of its subscribers. It found that the annual health insurance premiums for a family with coverage through an employer averaged $10,979. The standard deviation of the sample was $1,000.
a. Based on this sample information, develop a 90 percent confidence interval for the population mean yearly premium.
b. How large a sample is needed to find the population mean within $250 at 99 percent confidence?
"

More books from Classof1

Cover of the book Determining Subsets of a Set by Homework Help Classof1
Cover of the book Reducing The Emission Level And Tradable Permits. by Homework Help Classof1
Cover of the book Capital Budgeting Maintenance Costs by Homework Help Classof1
Cover of the book Minimum Cost for Producing a Unit of Output by Homework Help Classof1
Cover of the book Determination of Probability of a Sample by Homework Help Classof1
Cover of the book Calculation of Net Present Value by Homework Help Classof1
Cover of the book Calculation of Electrical Power Usage by Homework Help Classof1
Cover of the book Computation of Probability value using Normal Distribution by Homework Help Classof1
Cover of the book Hypothesis Tesing: If mean Length is Signficantly Less Than a Given value by Homework Help Classof1
Cover of the book Internal and International Business Legislation by Homework Help Classof1
Cover of the book Financial Consolidation Accounting by Homework Help Classof1
Cover of the book Action Potential and the Polarization of Membrane Potential. by Homework Help Classof1
Cover of the book Solving System of Equations in Three Variables using Elimination by Homework Help Classof1
Cover of the book Compute the Contribution Margin Income Statement by Homework Help Classof1
Cover of the book Identification of the Distribution of Random Variables by Homework Help Classof1
We use our own "cookies" and third party cookies to improve services and to see statistical information. By using this website, you agree to our Privacy Policy