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
all lamps in booked rooms
all lamps in booked rooms
100 lamps on each floor chosen randomly
100 lamps on each floor chosen randomly
all lamps from the rooms with king-sized beds
all lamps from the rooms with king-sized beds
400 lamps on the first 10 floors