There are 500 computers in an office building. The IT manager randomly chose 40 computers to be inspected for viruses. Of those
inspected, 6 computers had viruses.
What is the best estimate of the percent of computers in the building that have viruses?
2 answers:
6 out of 40 had viruses.
6 out of 40 = 6/40 = 3/20 = 0.15 = 15%
In the 40-computer sample, 15% of the computers have viruses.
Answer: 15%
Answer:
15 %
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