Answer:
Null Hypothesis, : p = 0.54
Alternate Hypothesis, : p 0.54
Step-by-step explanation:
We are given that the company's promotional literature states that 78% of the chips fail in the first 1000 hours of their use. Also, a sample of 1500 computer chips revealed that 77% of the chips fail in the first 1000 hours of their use.
And the quality control manager wants to test the claim that the actual percentage that fail is different from the stated percentage, i.e;
Null Hypothesis, : p = 0.78 {means that the actual percentage that fail is same as the stated percentage}
Alternate Hypothesis, : p 0.78 {means that the actual percentage that fail is different from the stated percentage}