Author Question: In a local university, 40 of the students live in the dormitories. A random sample of 80 students is ... (Read 64 times)

bobbie

  • Hero Member
  • *****
  • Posts: 592
In a local university, 40 of the students live in the dormitories. A random sample of 80 students is selected for a particular study. The probability that the sample proportion (the proportion living in the dormitories) is between 0.30 and 0.50 is
 a. 0.4664
   b. 0.9328
   c. 0.0336
   d. 0.0672

Question 2

A test used to determine whether or not first-order autocorrelation is present is
 a. serial-autocorrelation test.
  b. t test.
  c. chi-square test.
  d. Durbin-Watson Test.



Jbrasil

  • Sr. Member
  • ****
  • Posts: 337
Answer to Question 1

b

Answer to Question 2

d



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

GI conditions that will keep you out of the U.S. armed services include ulcers, varices, fistulas, esophagitis, gastritis, congenital abnormalities, inflammatory bowel disease, enteritis, colitis, proctitis, duodenal diverticula, malabsorption syndromes, hepatitis, cirrhosis, cysts, abscesses, pancreatitis, polyps, certain hemorrhoids, splenomegaly, hernias, recent abdominal surgery, GI bypass or stomach stapling, and artificial GI openings.

Did you know?

There are 60,000 miles of blood vessels in every adult human.

Did you know?

Long-term mental and physical effects from substance abuse include: paranoia, psychosis, immune deficiencies, and organ damage.

Did you know?

Asthma occurs in one in 11 children and in one in 12 adults. African Americans and Latinos have a higher risk for developing asthma than other groups.

Did you know?

According to the National Institute of Environmental Health Sciences, lung disease is the third leading killer in the United States, responsible for one in seven deaths. It is the leading cause of death among infants under the age of one year.

For a complete list of videos, visit our video library