This topic contains a solution. Click here to go to the answer

Author Question: Suppose a large labor union wishes to estimate the mean number of hours per month a union member is ... (Read 132 times)

Mr. Wonderful

  • Hero Member
  • *****
  • Posts: 866
Suppose a large labor union wishes to estimate the mean number of hours per month a union member is absent from work. The union decides to sample 352 of its members at random and monitor the working time of each of them for 1 month. At the end of the month, the total number of hours absent from work is recorded for each employee. Which of the following should be used to estimate the parameter of interest for this problem?
 
  A) A small sample confidence interval for p. B) A large sample confidence interval for .
  C) A large sample confidence interval for p. D) A small sample confidence interval for .

Question 2

A machine is set to pump cleanser into a process at the rate of 5 gallons per minute. Upon inspection, it is learned that the machine actually pumps cleanser at a rate described by the uniform distribution over the interval 5.0 to 8.0 gallons per minute. Would you expect the machine to pump more than 7.85 gallons per minute?
 
  A) No, since .95 is a high probability. B) Yes, since .95 is a high probability.
  C) Yes, since .05 is a high probability. D) No, since .05 is a low probability.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

jomama

  • Sr. Member
  • ****
  • Posts: 346
Answer to Question 1

B

Answer to Question 2

D




Mr. Wonderful

  • Member
  • Posts: 866
Reply 2 on: Jun 24, 2018
Gracias!


ryansturges

  • Member
  • Posts: 338
Reply 3 on: Yesterday
:D TYSM

 

Did you know?

According to research, pregnant women tend to eat more if carrying a baby boy. Male fetuses may secrete a chemical that stimulates their mothers to step up her energy intake.

Did you know?

The familiar sounds of your heart are made by the heart's valves as they open and close.

Did you know?

Elderly adults are living longer, and causes of death are shifting. At the same time, autopsy rates are at or near their lowest in history.

Did you know?

No drugs are available to relieve parathyroid disease. Parathyroid disease is caused by a parathyroid tumor, and it needs to be removed by surgery.

Did you know?

There can actually be a 25-hour time difference between certain locations in the world. The International Date Line passes between the islands of Samoa and American Samoa. It is not a straight line, but "zig-zags" around various island chains. Therefore, Samoa and nearby islands have one date, while American Samoa and nearby islands are one day behind. Daylight saving time is used in some islands, but not in others—further shifting the hours out of sync with natural time.

For a complete list of videos, visit our video library