A sample of 900 computer chips revealed that 46% of the chips do not fail in the first 1000 hours of their use. The company's promotional literature states that 44% of the chips do not fail in the first 1000 hours of their use. The quality control manager wants to test the claim that the actual percentage that do not fail is different from the states percentage. Find the value of the test statistic. Round your answer to two decimal places.