Question: Can anyone help with this type of question? A sample of 1500 computer chips revealed that 28% of the chips do not fail in the

Can anyone help with this type of question?

A sample of 1500 computer chips revealed that 28% of the chips do not fail in the first 1000 hours of their use. The company's promotional literature states that 30% 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 stated percentage. Find the value of the test statistic.

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