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

Author Question: With a known population mean of 75 and a known standard error of the mean of 5.00, what is the ... (Read 15 times)

cartlidgeashley

  • Hero Member
  • *****
  • Posts: 572
With a known population mean of 75 and a known standard error of the mean
  of 5.00, what is the probability of selecting at random a sample whose mean is
  70 or less?
 
  What will be an ideal response?

Question 2

When the 2 by 2 chi square contingency table contains expected frequencies
  of less than 5, most statisticians agree that
 
  a. the Yates correction must be applied
  b. coefficient of contingency must be applied
  c. the degrees of freedom then must increase by 5
  d. the chi square should not be calculated



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

nixon_s

  • Sr. Member
  • ****
  • Posts: 359
Answer to Question 1

p=.16

Answer to Question 2

d





 

Did you know?

Patients who have undergone chemotherapy for the treatment of cancer often complain of a lack of mental focus; memory loss; and a general diminution in abilities such as multitasking, attention span, and general mental agility.

Did you know?

You should not take more than 1,000 mg of vitamin E per day. Doses above this amount increase the risk of bleeding problems that can lead to a stroke.

Did you know?

Vaccines cause herd immunity. If the majority of people in a community have been vaccinated against a disease, an unvaccinated person is less likely to get the disease since others are less likely to become sick from it and spread the disease.

Did you know?

Studies show that systolic blood pressure can be significantly lowered by taking statins. In fact, the higher the patient's baseline blood pressure, the greater the effect of statins on his or her blood pressure.

Did you know?

As the western states of America were settled, pioneers often had to drink rancid water from ponds and other sources. This often resulted in chronic diarrhea, causing many cases of dehydration and death that could have been avoided if clean water had been available.

For a complete list of videos, visit our video library