A hotel maintenance crew wants to estimate how many of the 12,000 lamps in their 30-story hotel need a new light bulb. Which of the following is a random sample of lamps to be inspected?(1 point)
Responses
A. 100 lamps on each floor chosen randomly
B. all lamps in booked rooms
C. all lamps from the rooms with king-sized beds
D. 400 lamps on the first 10 floors