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

Author Question: Distinguish between probability and nonprobability sampling. ... (Read 103 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
Excellent

komodo7

  • Member
  • Posts: 322
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

Though “Krazy Glue” or “Super Glue” has the ability to seal small wounds, it is not recommended for this purpose since it contains many substances that should not enter the body through the skin, and may be harmful.

Did you know?

The first oral chemotherapy drug for colon cancer was approved by FDA in 2001.

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?

Addicts to opiates often avoid treatment because they are afraid of withdrawal. Though unpleasant, with proper management, withdrawal is rarely fatal and passes relatively quickly.

Did you know?

Side effects from substance abuse include nausea, dehydration, reduced productivitiy, and dependence. Though these effects usually worsen over time, the constant need for the substance often overcomes rational thinking.

Probability Probability
Probability of Major Depression as a Function of 5-HTT Allele and Levels of Maltreatment ... Probability of Major Depression as a Function of 5-HTT Allele and Levels of Maltreatment ...
A sampling of the modified and unusual bases found in tRNAs A sampling of the modified and unusual bases found in tRNAs
Chorionic villus sampling (left) and amniocentesis (right) Chorionic villus sampling (left) and amniocentesis (right)
Discrete random variables- Probability Distribution Function Discrete random variables- Probability Distribution Function
MATH ODDS AND PROBABILITY PLEASE ANSWER THE PICTURE MATH ODDS AND PROBABILITY PLEASE ANSWER THE PICTURE
Video: The Hypothalamus: The Body's Thermostat (Human Thermostat)

For a complete list of videos, visit our video library