A sample of $1300$ computer chips revealed that $24\%$ of the chips do not fail in the first $1000$ hours of their use. The company's promotional literature states that $22\%$ 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 above the stated percentage. Is there enough evidence at the $0\mathrm{.}01$ level to support the manager's claim?

Step $1$ of $6$: State the null and alternative hypotheses.

Answer $2$ Points

Keyboard Shortcuts

$H_0$:

$H_a$: