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

Author Question: Distinguish between probability and nonprobability sampling. ... (Read 105 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
Great answer, keep it coming :)

aruss1303

  • Member
  • Posts: 314
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.

Did you know?

During the twentieth century, a variant of the metric system was used in Russia and France in which the base unit of mass was the tonne. Instead of kilograms, this system used millitonnes (mt).

Did you know?

Illness; diuretics; laxative abuse; hot weather; exercise; sweating; caffeine; alcoholic beverages; starvation diets; inadequate carbohydrate consumption; and diets high in protein, salt, or fiber can cause people to become dehydrated.

Did you know?

Women are two-thirds more likely than men to develop irritable bowel syndrome. This may be attributable to hormonal changes related to their menstrual cycles.

Did you know?

Warfarin was developed as a consequence of the study of a strange bleeding disorder that suddenly occurred in cattle on the northern prairies of the United States in the early 1900s.

Probability Probability
The population of algae is compared to the population of corals in a given sampling area The population of algae is compared to the population of corals in a given sampling area
The expected value for a binomial probability distribution is _____. The expected value for a binomial probability distribution is _____.
Pedigree Probability Pedigree Probability
ODDS AND PROBABILITY 4 QUESTIONS I NEED IT TPDAY PLEASE ANSWER ALL ODDS AND PROBABILITY 4 QUESTIONS I NEED IT TPDAY PLEASE ANSWER ALL
A very small sampling of organisms in an arctic food web on land. A very small sampling of organisms in an arctic food web on land.
Video: Bond in biological molecules (Ionic, Covalent and Hydrogen bonds)/ How atoms bond?

For a complete list of videos, visit our video library