The Toronto Fire Department has hired you to generate an accurate estimate of how many homes have operational fire prevention systems.The Chief Fire Inspector gave you a list of two million residential telephone customers in the city.You sampled every two-thousandth address on the list.You survey each sampled household by telephone. How large is your sample?
A) 500
B) 1000
C) 1500
D) 2000
E) 2500

Question

Quizplus · Accepted Answer

If you are sampling every two-thousandth address on the list and there are 2,000,000 residential telephone customers, then you are sampling 1,000 households (2,000,000/2,000 = 1,000). Therefore, the best choice is B, which is 1000.

The Toronto Fire Department Has Hired You to Generate an Accurate