Skip to main content

Retail stores experience their heaviest returns on December 26 and December 27 each year. Most are gifts that, for some reason, did not please the recipient. The number of items returned, by a sample of 30 persons at a large discount department store, are observed and the summary statistics below are obtained.

Retail stores experience their heaviest returns on December 26 and December 27 each year. Most are gifts that, for some reason, did not please the recipient. The number of items returned, by a sample of 30 persons at a large discount department store, are observed and the summary statistics below are obtained.

Chap 7 # 15
Retail stores experience their heaviest returns on December 26 and December 27 each year. Most are gifts that, for some reason, did not please the recipient. The number of items returned, by a sample of 30 persons at a large discount department store, are observed and the summary statistics below are obtained.
n=30  x =2.468   s = 1.207
NOTE: The X has a line over it.
Determine a 98% confidence interval for   the population mean number of items returned.
Confidence interval = ( , )
Stated here are some claims or research hypotheses that are to be substantiated by sample data.
————————————————————————————————————-
Chap 8# 21
Identify the null hypothesis   and the alternative hypothesis   in terms of the population mean  The mean time a health insurance company takes to pay claims is less than 20 working days.
NOTE: the first H has a 0 next to it; the second H has a 1 next to it.
Chap 9 # 10
Recorded here are the germination times (number of days) for seven seeds of a new strain of snap bean.
12 16 15 49 17 11 18
Determine a 95% confidence interval for the true mean germination time for this strain. Assume that measurements are normally distributed.
Round to two decimal places.
(, ) days; answers are incorrect
Chap 7 #13b
A population has mean 73 and standard deviation 14. Calculate   for a random sample of size 16 23.4 (Round to one decimal place.)
Chap 7, #16c
A population has standard deviation 24. What is the standard deviation of   for a random sample of size n=144  70 (Round to one decimal place) (incorrect answer shown)
Note: X has a line over it
Chapter 2, Section 2.3, Problem 51b
Incorrect.
The city of Madison regularly checks the water quality at swimming beaches located on area lakes. The concentration of fecal coliforms, in number of colony forming units (CFU) per 100 ml of water, was measured on fifteen days during the summer at one beach.

With reference to the given data, find the sample 90th percentile.
360

Comments

Post a Comment

Popular posts from this blog

Identify and discuss a key milestone in the history of computers that interests you and why.

  Part 1Title: Lab ResponseDiscuss one feature of MS Word and one feature of MS Excel that you found challenging within the lab and why. Examples are WordArt, inserting shapes, adding borders, cell styles, etc. This response should be at least one paragraph in length. Part 2Title: History of Computers Identify and discuss a key milestone in the history of computers that interests you and why. This section should be at least one paragraph. Part 3Title: System Software vs. Application Software In your words, explain the difference between application software and system software as if to another coworker who has limited technical knowledge. Use examples to support your rationalization. This section should be at least two paragraphs. Part 4Title: Blockchain and Cryptocurrency In a minimum of one paragraph each: 1. Conduct some research on the internet and discuss one underlying technology of cryptocurrencies like blockchain, cryptography, distributed ledger technol...
Post a Comment
Read more

Cybersecurity and Infrastructure Security (CISA)

 Develop a research paper that identifies a specific Department of Homeland Security (DHS) operating agency. Fully describe 1 DHS operating agency from the following list: Cybersecurity and Infrastructure Security (CISA) U.S. Customs and Border Protection (CBP) U.S. Citizenship and Immigration Services (USCIS) Federal Emergency Management Agency (FEMA) U.S. Coast Guard (USCG) U.S. Immigration and Customs Enforcement (ICE) U.S. Secret Service (USSS) Transportation Security Administration (TSA) The information must include a discussion of the selected DHS agency. Identify the agency’s mission, goals, objectives, and metrics. Conduct an analysis of how these mission areas address the threats or challenges. Recommend agency program priorities among the current set of goals, objectives, metrics, or budget items. Justification of all choices is an essential element of this assignment. Reference all source material and citations using APA format. WE OFF...
Post a Comment
Read more

Discuss how the project

ord count : no idea 1. You are required to write a report on all project activities involved in all the 10 knowledge areas of project management for the entire project life cycle. You should also include a list of the respective PM documents, for example PM Plan, PM Quality Management Plan, Risk management, Procurement, etc. The report must include the activities that are considered before the project is closed out. 2. Discuss how the project quality management plan can provide adequate standards and controls in managing global teams in projects. Your discussion must provide adequate arguments for the need of cultural awareness and legal issues. Regards, The post Discuss how the project appeared first on My Assignment Tutor . Assignment status :  Resolved by our Writing Team Source@ PrimeWritersBay.com GET THIS PAPER COMPLETED FOR YOU FROM THE WRITING EXPERTS   CLICK HERE TO ORDER 100% ORIGINAL PAPERS AT PrimeWritersBay.com NO PLAGIARISM
Post a Comment
Read more