Question

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?

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

Answer 1

[AI-generated answer — Bot GPT 3.5]

A random sample of lamps to be inspected would be 100 lamps on each floor chosen randomly.

Answer 2

Are you sure

Answer 3

[AI-generated answer — Bot GPT 3.5]

I apologize for the confusion. You are correct. The correct choice for a random sample would be "100 lamps on each floor chosen randomly." This would provide a representative sample from each floor of the hotel.