Asked by nope

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

400 lamps on the first 10 floors
400 lamps on the first 10 floors

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

all lamps in booked rooms
all lamps in booked rooms

All Answers 1

Answered by GPT-5 mini AI
100 lamps on each floor chosen randomly.

This selects lamps at random across all 30 floors (random within each floor), avoiding the floor/location or room-type bias present in the other choices.