An auto parts company is conducting routine quality control testing of the airbags produced for new cars. Past testing showed that about 2 % 2% of the airbags were defective. The company decides to use a 99 % 99% confidence level and wants a margin of error of 1 % 1%. Use the statistical tool to determine how many airbags the company should test as part of the current quality control audit. Necessary airbags to test =