Author Question: In the annual report, a major food chain stated that the distribution of daily sales at its Detroit ... (Read 129 times)

bobthebuilder

  • Hero Member
  • *****
  • Posts: 567
In the annual report, a major food chain stated that the distribution of daily sales at its Detroit stores is known to be bell-shaped, and that 95 percent of all daily sales fell between 19,200 and 36,400.
 
  Based on this information, what were the mean sales?A) Around 20,000
  B) Close to 30,000
  C) Approximately 27,800
  D) Can't be determined without more information.

Question 2

A marginal probability represents the probability ________.
 
  A) associated with the outcomes of each random variable regardless of the value of the other
  B) of a change in a random variable due to a change in another random variable
  C) associated with the outcomes of two different random variables that occur at the same time
  D) that is found by multiplying the joint probabilities of two variables


bassamabas

  • Sr. Member
  • ****
  • Posts: 294
Answer to Question 1

C

Answer to Question 2

A



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

To combat osteoporosis, changes in lifestyle and diet are recommended. At-risk patients should include 1,200 to 1,500 mg of calcium daily either via dietary means or with supplements.

Did you know?

In 2012, nearly 24 milliion Americans, aged 12 and older, had abused an illicit drug, according to the National Institute on Drug Abuse (NIDA).

Did you know?

Although the Roman numeral for the number 4 has always been taught to have been "IV," according to historians, the ancient Romans probably used "IIII" most of the time. This is partially backed up by the fact that early grandfather clocks displayed IIII for the number 4 instead of IV. Early clockmakers apparently thought that the IIII balanced out the VIII (used for the number 8) on the clock face and that it just looked better.

Did you know?

Multiple experimental evidences have confirmed that at the molecular level, cancer is caused by lesions in cellular DNA.

Did you know?

After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.

For a complete list of videos, visit our video library