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

Author Question: Sampling errors can a. be avoided by increasing the sample size to at least 30. b. be avoided if ... (Read 1088 times)

BrownTown3

  • Hero Member
  • *****
  • Posts: 564
on: Jun 24, 2018
Sampling errors can
 a. be avoided by increasing the sample size to at least 30.
  b. be avoided if the sample is increased so that it will be at least 5 of the population.
  c. be avoided by using probabilistic sampling.
  d. not be avoided.

Question 2

Thirty-five percent of the students who enroll in a statistics course go to the statistics laboratory on a regular basis. Past data indicates that 40 of those students who use the lab on a regular basis make a grade of B or better. On the other hand, 10 of students who do not go to the lab on a regular basis make a grade of B or better. If a particular student made an A, determine the probability that she or he used the lab on a regular basis.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

brittrenee

  • Sr. Member
  • ****
  • Posts: 321
Reply #1 on: Jun 24, 2018
Answer to Question 1

d

Answer to Question 2

0.6829


BrownTown3

  • Member
  • Posts: 564
Reply 2 on: Jun 24, 2018
Thanks for the timely response, appreciate it

FergA

  • Member
  • Posts: 352
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

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?

More than nineteen million Americans carry the factor V gene that causes blood clots, pulmonary embolism, and heart disease.

Did you know?

Malaria was not eliminated in the United States until 1951. The term eliminated means that no new cases arise in a country for 3 years.

Did you know?

The Centers for Disease Control and Prevention has released reports detailing the deaths of infants (younger than 1 year of age) who died after being given cold and cough medications. This underscores the importance of educating parents that children younger than 2 years of age should never be given over-the-counter cold and cough medications without consulting their physicians.

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.

A small sample of the great diversity of seed sizes and shapes. A small sample of the great diversity of seed sizes and shapes.
Body size and population density of herbivorous mammals Body size and population density of herbivorous mammals
Historian James Merrell notes several errors in Benjamin West’s famous 1771 painting, William Penn’s Historian James Merrell notes several errors in Benjamin West’s famous 1771 painting, William Penn’s
How long does it take for 90% of a sample of strontium-90 (half-life of 28.8 years) to decay? How long does it take for 90% of a sample of strontium-90 (half-life of 28.8 years) to decay?
Here’s how you can demonstrate sampling error Here’s how you can demonstrate sampling error
A 31.1-g sample of Ne gas exerts a certain pressure in a container of fixed volume. What mass ... A 31.1-g sample of Ne gas exerts a certain pressure in a container of fixed volume. What mass ...
Video: Cytotoxic T cell receptors, activation, proliferation, differentiation & action

For a complete list of videos, visit our video library