« previous next »

Author Question: Thirty-five math majors, 47 music majors and 37 history majors are randomly selected from 276 math ... (Read 172 times)

DelorasTo

  • Hero Member
  • *****
  • Posts: 548
on: Jul 25, 2018
Thirty-five math majors, 47 music majors and 37 history majors are randomly selected from 276 math majors, 500 music majors and 379 history majors at the state university. What sampling technique is used?
 
  A) stratified
  B) cluster
  C) convenience
  D) simple random
  E) systematic

Question 2

Assume that women have heights that are normally distributed with a mean of 63.6 inches and a standard deviation of 2.5 inches. Find the value of the third quartile.
 
  A) 64.3 inches B) 65.3 inches C) 66.1 inches D) 67.8 inches


courtney_bruh

  • Sr. Member
  • ****
  • Posts: 308
Reply #1 on: Jul 25, 2018
Answer to Question 1

A

Answer to Question 2

B


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

DelorasTo

  • Hero Member
  • *****
  • Posts: 548
Reply #2 on: Jul 25, 2018
Thank you!


courtney_bruh

  • Sr. Member
  • ****
  • Posts: 308
Reply #3 on: Jul 25, 2018
Always glad to help...


« previous next »
 

Did you know?

Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.

Did you know?

The use of salicylates dates back 2,500 years to Hippocrates’s recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

Did you know?

Your skin wrinkles if you stay in the bathtub a long time because the outermost layer of skin (which consists of dead keratin) swells when it absorbs water. It is tightly attached to the skin below it, so it compensates for the increased area by wrinkling. This happens to the hands and feet because they have the thickest layer of dead keratin cells.

Did you know?

Patients who have been on total parenteral nutrition for more than a few days may need to have foods gradually reintroduced to give the digestive tract time to start working again.

Did you know?

People often find it difficult to accept the idea that bacteria can be beneficial and improve health. Lactic acid bacteria are good, and when eaten, these bacteria improve health and increase longevity. These bacteria included in foods such as yogurt.

Selected Miscellaneous Antibacterials Selected Miscellaneous Antibacterials
Selected Drugs for Glaucoma Selected Drugs for Glaucoma
History History
Population age 65 and over and age 85 and over, selected years 1900-2008 and projected 2010-2050. Population age 65 and over and age 85 and over, selected years 1900-2008 and projected 2010-2050.
Selected hormones and their role in energy intake Selected hormones and their role in energy intake
Grade 1 math Grade 1 math
Video: Amniocentesis and CVS Animation

For a complete list of videos, visit our video library