Question

The local library has 4,250 library card holders. The library sends out a survey to every fifth library card holder. Ifall of the surveyed participants respond, what percent of the total population has been surveyed?
(1 point)
850%
20%
212.5%
10%

Answer 1

20%

Explanation: Sampling every 5th person means 1 out of 5 are surveyed, which is 1/5 = 0.2 = 20%. (4250/5 = 850 surveyed; 850/4250 = 0.2 = 20%.)