This topic contains a solution. Click here to go to the answer

Author Question: Sampling errors can a. be avoided by increasing the sample size to at least 30. b. be avoided if ... (Read 1051 times)

BrownTown3

  • Hero Member
  • *****
  • Posts: 564
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
Answer to Question 1

d

Answer to Question 2

0.6829




BrownTown3

  • Member
  • Posts: 564
Reply 2 on: Jun 24, 2018
Excellent


carlsona147

  • Member
  • Posts: 341
Reply 3 on: Yesterday
Gracias!

 

Did you know?

Since 1988, the CDC has reported a 99% reduction in bacterial meningitis caused by Haemophilus influenzae, due to the introduction of the vaccine against it.

Did you know?

Eating food that has been cooked with poppy seeds may cause you to fail a drug screening test, because the seeds contain enough opiate alkaloids to register as a positive.

Did you know?

The average office desk has 400 times more bacteria on it than a toilet.

Did you know?

People with alcoholism are at a much greater risk of malnutrition than are other people and usually exhibit low levels of most vitamins (especially folic acid). This is because alcohol often takes the place of 50% of their daily intake of calories, with little nutritional value contained in it.

Did you know?

Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%

For a complete list of videos, visit our video library