« previous next »

Author Question: The Beer Institute reported that monthly consumption of beer is 1.7 gallons per person. A random ... (Read 72 times)

colton

  • Hero Member
  • *****
  • Posts: 627
on: Jun 24, 2018
The Beer Institute reported that monthly consumption of beer is 1.7 gallons per person.
 
  A random sample of 36 adults was selected. Using a standard deviation of 0.5 gallons per month per person, what is the probability that the sample mean was between 1.6 and 1.8 gallons per month per person?
  A) 0.4960
  B) 0.5596
  C) 0.7698
  D) 0.9082

Question 2

Increasing the sample size when calculating a confidence interval while keeping the confidence level constant will
 
  A) reduce the margin of error resulting in a wider (less precise) confidence interval.
  B) increase the margin of error resulting in a narrower (more precise) confidence interval.
  C) reduce the margin of error resulting in a narrower (more precise) confidence interval.
  D) increase the margin of error resulting in a wider (more precise) confidence interval.
Business Statistics ¦ Donnelly ¦ 2nd Edition
Buy Test-Bank


ergserg

  • Sr. Member
  • ****
  • Posts: 338
Reply #1 on: Jun 24, 2018
Answer to Question 1

C

Answer to Question 2

C


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Only one in 10 cancer deaths is caused by the primary tumor. The vast majority of cancer mortality is caused by cells breaking away from the main tumor and metastasizing to other parts of the body, such as the brain, bones, or liver.

Did you know?

Russia has the highest death rate from cardiovascular disease followed by the Ukraine, Romania, Hungary, and Poland.

Did you know?

The FDA recognizes 118 routes of administration.

Did you know?

In 1844, Charles Goodyear obtained the first patent for a rubber condom.

Did you know?

Adolescents often feel clumsy during puberty because during this time of development, their hands and feet grow faster than their arms and legs do. The body is therefore out of proportion. One out of five adolescents actually experiences growing pains during this period.

Measuring BMR via oxygen consumption with indirect calorimetry. Measuring BMR via oxygen consumption with indirect calorimetry.
The visual field as seen by a person with (a) glaucoma, (b) macular degeneration, and (c) cataracts. The visual field as seen by a person with (a) glaucoma, (b) macular degeneration, and (c) cataracts.
Random Random
Edward Bellamy, author of the utopian novel Looking Backward (1888) Bellamy’s socialism worried many Edward Bellamy, author of the utopian novel Looking Backward (1888) Bellamy’s socialism worried many
Industrialized nations consumption Industrialized nations consumption
The rates of police reported sexual offences The rates of police reported sexual offences
Video: Introduction to Human Immunodeficiency Virus (HIV)

For a complete list of videos, visit our video library