26. A sample of 1100 computer chips revealed that 62% of thechips fail in the first 1000 hours of their use. The company'spromotional literature states that 60% of the chips fail in thefirst 1000 hours of their use. The quality control manager wants totest the claim that the actual percentage that fail is differentfrom the stated percentage. State the null and alternativehypotheses.
H0:
Ha:
27. A sample of 1100 computer chips revealed that 62% of thechips fail in the first 1000 hours of their use. The company'spromotional literature states that 60% of the chips fail in thefirst 1000 hours of their use. The quality control manager wants totest the claim that the actual percentage that fail is differentfrom the stated percentage. Make the decision to reject or fail toreject the null hypothesis at the 0.10 level.
