Author Question: The cost of overestimating demand is usually harder to determine than the cost of underestimating ... (Read 181 times)

theo

  • Hero Member
  • *****
  • Posts: 698
The cost of overestimating demand is usually harder to determine than the cost of underestimating demand.
  Indicate whether the statement is true or false

Question 2

A manufacturer of microwave ovens wants to know what percentage of all of their microwave ovens are defective. When 450 of their microwave ovens are selected at random and examined, 0.4 are found to be defective.
 a. Describe the population of interest.
  b. Describe the sample.
  c. Describe/find the parameter.
  d. Describe/find the statistic.
  e. Is the 0.4 a parameter or a statistic in this scenario? Why?



macagn

  • Sr. Member
  • ****
  • Posts: 345
Answer to Question 1

F

Answer to Question 2

a. All microwave ovens made by this manufacturer.
b. The 450 microwave ovens selected at random.
c. The proportion of all microwave ovens made by this manufacturer that are defective.
d. The proportion of the microwave ovens from the random sample that are defective: 0.4.
e. The 0.4 represents the statistic, since it describes the sample.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question


 

Did you know?

For about 100 years, scientists thought that peptic ulcers were caused by stress, spicy food, and alcohol. Later, researchers added stomach acid to the list of causes and began treating ulcers with antacids. Now it is known that peptic ulcers are predominantly caused by Helicobacter pylori, a spiral-shaped bacterium that normally exist in the stomach.

Did you know?

Amphetamine poisoning can cause intravascular coagulation, circulatory collapse, rhabdomyolysis, ischemic colitis, acute psychosis, hyperthermia, respiratory distress syndrome, and pericarditis.

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?

Most strokes are caused when blood clots move to a blood vessel in the brain and block blood flow to that area. Thrombolytic therapy can be used to dissolve the clot quickly. If given within 3 hours of the first stroke symptoms, this therapy can help limit stroke damage and disability.

Did you know?

There are over 65,000 known species of protozoa. About 10,000 species are parasitic.

For a complete list of videos, visit our video library