This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: A sample of 196 bags of sugar produced by Domain sugar producers showed an average of 2 pounds and 2 ... (Read 178 times)

biggirl4568

  • Hero Member
  • *****
  • Posts: 551
on: Jun 24, 2018
A sample of 196 bags of sugar produced by Domain sugar producers showed an average of 2 pounds and 2 ounces with a standard deviation of 7 ounces.
 a. At 95 confidence, compute the margin of error and explain what it shows.
  b. Determine a 95 confidence interval for the population mean weight of bags of sugar produced by the company. Give the answer in ounces and at least two significant digits.
  c. Each bag of sugar produced is supposed to contain 2 pounds of sugar, but the company allows 2 higher or lower than the 2 pounds. Have they reached their desired goal? Explain why or why not by giving numerical facts.

Question 2

We can examine the effect of the sampling plan on both types of risks by varying the assumed
 a. percentage of defective items in the lot.
  b. number of defective items in the sample.
  c. probability of accepting the lot.
 d. number of units in the lot.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

tmlewis4706

  • Sr. Member
  • ****
  • Posts: 295
Reply #1 on: Jun 24, 2018
Answer to Question 1

a. .98; it shows that 95 of all sample mean weights of sugar bags obtained using a sample size of 196 will be within 0.98 of the population mean weight.
b. 33.02 to 34.98 ounces
c. No, the margin of error, .98, is larger than the allowable margin of (.02)(32) = .64.

Answer to Question 2

a


biggirl4568

  • Hero Member
  • *****
  • Posts: 551
Reply #2 on: Jun 24, 2018
Thank you


tmlewis4706

  • Sr. Member
  • ****
  • Posts: 295
Reply #3 on: Jun 24, 2018
No problemo


« previous next »
 

Did you know?

Cocaine was isolated in 1860 and first used as a local anesthetic in 1884. Its first clinical use was by Sigmund Freud to wean a patient from morphine addiction. The fictional character Sherlock Holmes was supposed to be addicted to cocaine by injection.

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?

More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.

Did you know?

Addicts to opiates often avoid treatment because they are afraid of withdrawal. Though unpleasant, with proper management, withdrawal is rarely fatal and passes relatively quickly.

Did you know?

Signs and symptoms of a drug overdose include losing consciousness, fever or sweating, breathing problems, abnormal pulse, and changes in skin color.

Killer Whale - Size comparison to an average human. Killer Whale - Size comparison to an average human.
Sample preoperative checklist. Sample preoperative checklist.
Structure of the globular domain of human PrP in monomeric Structure of the globular domain of human PrP in monomeric
Our innate preferences for sugar and fat are sometimes hard to resist. Our innate preferences for sugar and fat are sometimes hard to resist.
A sample flow sheet. A sample flow sheet.
Sugar Sugar
Video: Brief Summary on Photosynthesis - Animation

For a complete list of videos, visit our video library