Q&A

# A manager at a factory finds that in a random sample of 200 clocks, 15 are defective About how many clocks

A manager at a factory finds that in a random sample of 200 clocks, 15 are defective About how many clocks out of the 10,000 produced that day are probably defective?

Of the 10,000 clocks from which the sample was chosen, about how many clocks are probably not defective?The next day the manager finds only 8 of the 200 randomly selected clocks are defective. About how many clocks out of the 10,000 produced that day are probably defective?