Author Question: Thirty-five math majors, 47 music majors and 51 history majors are randomly selected from 376 math ... (Read 164 times)

rmenurse

  • Hero Member
  • *****
  • Posts: 513
Thirty-five math majors, 47 music majors and 51 history majors are randomly selected from 376 math majors, 591 music majors and 267 history majors at the state university. What sampling technique is used?
 
  A) cluster
  B) systematic
  C) stratified
  D) convenience
  E) simple random

Question 2

In a certain college, 33 of the physics majors belong to ethnic minorities. If 10 students are selected at random from the physics majors, what is the probability that no more than 6 belong to an ethnic minority?
 
  A) 0.0547 B) 0.9815 C) 0.9846 D) 0.9130



huda

  • Sr. Member
  • ****
  • Posts: 304
Answer to Question 1

C

Answer to Question 2

B



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

In 1835 it was discovered that a disease of silkworms known as muscardine could be transferred from one silkworm to another, and was caused by a fungus.

Did you know?

Opium has influenced much of the world's most popular literature. The following authors were all opium users, of varying degrees: Lewis Carroll, Charles, Dickens, Arthur Conan Doyle, and Oscar Wilde.

Did you know?

Most fungi that pathogenically affect humans live in soil. If a person is not healthy, has an open wound, or is immunocompromised, a fungal infection can be very aggressive.

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?

A serious new warning has been established for pregnant women against taking ACE inhibitors during pregnancy. In the study, the risk of major birth defects in children whose mothers took ACE inhibitors during the first trimester was nearly three times higher than in children whose mothers didn't take ACE inhibitors. Physicians can prescribe alternative medications for pregnant women who have symptoms of high blood pressure.

For a complete list of videos, visit our video library