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Question

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?(1 point)
Responses

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

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

100 lamps on each floor chosen randomly
100 lamps on each floor chosen randomly
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Answer 1

100 lamps on each floor chosen randomly