This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: Distinguish between probability and nonprobability sampling. ... (Read 111 times)

WWatsford

  • Hero Member
  • *****
  • Posts: 539
    • Biology Forums!
on: Aug 1, 2018
Distinguish between probability and nonprobability sampling.

Question 2

You are interested in determining the average cost of a 3-minute telephone call to locations within the continental U.S. What sample size must you take to be 96 confident that the results will be within .75 of the true mean cost per call? From the phone company, you have gotten an estimate of = 7.71.
 a. 185
  b. 445
  c. 406
  d. 574
  e. 22


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

courtney_bruh

  • Sr. Member
  • ****
  • Posts: 308
Reply #1 on: Aug 1, 2018
Answer to Question 1

With probability sampling, each person or element in the population has a known (or calculable) chance of being included in the sample.

Answer to Question 2

B


WWatsford

  • Member
  • Posts: 539
Reply 2 on: Aug 1, 2018
YES! Correct, THANKS for helping me on my review

olderstudent

  • Member
  • Posts: 339
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

Carbamazepine can interfere with the results of home pregnancy tests. If you are taking carbamazepine, do not try to test for pregnancy at home.

Did you know?

There are more bacteria in your mouth than there are people in the world.

Did you know?

More than 150,000 Americans killed by cardiovascular disease are younger than the age of 65 years.

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 approximately 3 million unintended pregnancies in the United States each year.

Phlebotomy. In this common procedure, a syringe needle punctures a vein, usually in the arm, and wit Phlebotomy. In this common procedure, a syringe needle punctures a vein, usually in the arm, and wit
viable surface sampling by swab viable surface sampling by swab
Solve this probability question Solve this probability question
The chorionic villus sampling technique. (a) A catheter is inserted into the uterus through the vagi The chorionic villus sampling technique. (a) A catheter is inserted into the uterus through the vagi
Pedigree Probability Pedigree Probability
Calculation of Joint Probability of a Genotype Based on Seven CODIS STR Markers Calculation of Joint Probability of a Genotype Based on Seven CODIS STR Markers
Video: Causes of Angina

For a complete list of videos, visit our video library