Author Question: The cost of overestimating demand is usually harder to determine than the cost of underestimating ... (Read 151 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?

There are 20 feet of blood vessels in each square inch of human skin.

Did you know?

HIV testing reach is still limited. An estimated 40% of people with HIV (more than 14 million) remain undiagnosed and do not know their infection status.

Did you know?

The tallest man ever known was Robert Wadlow, an American, who reached the height of 8 feet 11 inches. He died at age 26 years from an infection caused by the immense weight of his body (491 pounds) and the stress on his leg bones and muscles.

Did you know?

Cyanide works by making the human body unable to use oxygen.

Did you know?

The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").

For a complete list of videos, visit our video library