Thirty-five math majors, 47 music majors and 51 history majors ...

[rmenurse]

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]

Answer to Question 1

C

Answer to Question 2

B