A manufacturer claims that only 1% of their computers are defective, but in a sample of 600 3% were found to be defective. If the 1% claim were true there would be less than 1 chance in 1000 of getting this number of defects in the sample. Is there statistically significant evidence against the manufacturer's claim? Why or why not?
No, because the difference between a 1% and a 3% defect rate is insignificant.
Yes, because the source of the data was unbiased.
Yes, because the results are unlikely to occur by chance.
No, because the sample size was too small to reach a conclusion.
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