Identify the type of sampling described by the proposal.Based on 9,000 responses from 30,000 questionnaires sent to all its members, a major medical association estimated that the annual salary of its members was $126,500 per year.
A. convenience sample
B. cluster sample
C. simple random sample
D. stratified sample
E. systematic sample
Answer: C
You might also like to view...
Find all possible functions with the given derivative.y' = 4 - 
A. 4 + 
+ C
B. 4 - 
+ C
C. 4x + 
+ C
D. 4x - 
+ C
Find the x- and y-intercepts. If no x-intercepts exist, state so.y = -13x2 - 16x - 17
A. No x-intercepts, (0, -17)
B. 
, (0, -17)
C. 
, (0, 17)
D. No x-intercepts, (0, 17)
In a school survey, students showed these preferences for instructional materials. Answer the question.
How many degrees are in the central angle for the "Lecture" sector?
A. 64.8° B. 18° C. 20° D. 32.4°
Solve. Round to the nearest tenth when necessary.The zoo has hired a landscape architect to design the triangular lobby of the children's petting zoo. In his scale drawing, the longest side of the lobby is 16 cm. The shortest side of the lobby is 8 cm. The longest side of the actual lobby will be 33 m. How long will the shortest side of the actual lobby be?
A. 0.7 m B. 0.2 m C. 16.5 m D. 66 m