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

Author Question: An education researcher randomly selects 48 middle schools and interviews all the teachers at each ... (Read 80 times)

jlmhmf

  • Hero Member
  • *****
  • Posts: 552
on: Aug 2, 2018
An education researcher randomly selects 48 middle schools and interviews all the teachers at each school.
 
  A) Cluster B) Stratified C) Convenience D) Random E) Systematic

Question 2

A sample of 4 different calculators is randomly selected from a group containing 49 that are defective and 25 that have no defects. What is the probability that all four of the calculators selected are defective?
 
  A) 0.1841 B) 16.7491 C) 0.0678 D) 0.1922


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

jonathanballen97

  • Sr. Member
  • ****
  • Posts: 347
Reply #1 on: Aug 2, 2018
Answer to Question 1

A

Answer to Question 2

A


jlmhmf

  • Member
  • Posts: 552
Reply 2 on: Aug 2, 2018
Excellent

nanny

  • Member
  • Posts: 313
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

The calories found in one piece of cherry cheesecake could light a 60-watt light bulb for 1.5 hours.

Did you know?

According to the Migraine Research Foundation, migraines are the third most prevalent illness in the world. Women are most affected (18%), followed by children of both sexes (10%), and men (6%).

Did you know?

The first monoclonal antibodies were made exclusively from mouse cells. Some are now fully human, which means they are likely to be safer and may be more effective than older monoclonal antibodies.

Did you know?

The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.

Did you know?

Alzheimer's disease affects only about 10% of people older than 65 years of age. Most forms of decreased mental function and dementia are caused by disuse (letting the mind get lazy).

A vasectomy, showing how each vas deferens is tied off in two places and then a section is removed f A vasectomy, showing how each vas deferens is tied off in two places and then a section is removed f
Joseph Moore and His Family (1839), by Erastus Salisbury Field, reflects the emerging middle-class f Joseph Moore and His Family (1839), by Erastus Salisbury Field, reflects the emerging middle-class f
Many former slaves understood that illiteracy was an implement of bondage. The Freedmen’s Bureau bui Many former slaves understood that illiteracy was an implement of bondage. The Freedmen’s Bureau bui
Digital recording devices can be helpful when providing patient education to visually impaired ... Digital recording devices can be helpful when providing patient education to visually impaired ...
Deep friction around the hip joint using the knuckles. Use the knuckle of the middle finger to apply ... Deep friction around the hip joint using the knuckles. Use the knuckle of the middle finger to apply ...
Apply L stroke under the mandible. Place your middle and ring fingers under the tip of the chin; ... Apply L stroke under the mandible. Place your middle and ring fingers under the tip of the chin; ...
Video: Hormones and the menstrual cycle Animation

For a complete list of videos, visit our video library