« previous next »

Author Question: A ________ confidence interval might be most appropriate during the early stages of a research ... (Read 95 times)

craiczarry

  • Hero Member
  • *****
  • Posts: 527
on: Jun 24, 2018
A ________ confidence interval might be most appropriate during the early stages of a research project when little is known about the population's parameters and the project's researchers might still be gauging the parameters.
 
  A) 90
  B) 95
  C) 99
  D) 100

Question 2

Suppose the local Best Buy store averages 483 customers per day entering the facility with a standard deviation of 112customers. A random sample of 48 business days was selected.
 
  What is the probability that the average number of customers in the sample is between 480 and 500?A) 0.1579
  B) 0.2521
  C) 0.3377
  D) 0.4284
Business Statistics ¦ Donnelly ¦ 2nd Edition
Buy Test-Bank


matt95

  • Sr. Member
  • ****
  • Posts: 317
Reply #1 on: Jun 24, 2018
Answer to Question 1

A

Answer to Question 2

D


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Women are two-thirds more likely than men to develop irritable bowel syndrome. This may be attributable to hormonal changes related to their menstrual cycles.

Did you know?

About 600,000 particles of skin are shed every hour by each human. If you live to age 70 years, you have shed 105 pounds of dead skin.

Did you know?

A cataract is a clouding of the eyes' natural lens. As we age, some clouding of the lens may occur. The first sign of a cataract is usually blurry vision. Although glasses and other visual aids may at first help a person with cataracts, surgery may become inevitable. Cataract surgery is very successful in restoring vision, and it is the most frequently performed surgery in the United States.

Did you know?

Though the United States has largely rejected the metric system, it is used for currency, as in 100 pennies = 1 dollar. Previously, the British currency system was used, with measurements such as 12 pence to the shilling, and 20 shillings to the pound.

Did you know?

A serious new warning has been established for pregnant women against taking ACE inhibitors during pregnancy. In the study, the risk of major birth defects in children whose mothers took ACE inhibitors during the first trimester was nearly three times higher than in children whose mothers didn't take ACE inhibitors. Physicians can prescribe alternative medications for pregnant women who have symptoms of high blood pressure.

Much time and effort occurs between the development of a research idea and the statistical analysis Much time and effort occurs between the development of a research idea and the statistical analysis
Research Methods Research Methods
This advertisement from about 1885 represents an early stage of capitalism when individuals were ... This advertisement from about 1885 represents an early stage of capitalism when individuals were ...
Early Pottery From The Franchthi Cave, Greece Early Pottery From The Franchthi Cave, Greece
Butterfly life cycle stages June 6 2023 Butterfly life cycle stages June 6 2023
Human embryo at successive stages of development (not to scale). Human embryo at successive stages of development (not to scale).
Video: Introduction to Cystic Fibrosis

For a complete list of videos, visit our video library