1. From a random sample of 200 voters it was found that 110 were in favor of a particular piece of legislation. Is opinion equally divided on this legislative issue? Use α = 0.05. What is the p-value? What sampling assumptions are being made?
2. A manufacturer of small machine parts claims that at least 98% of all parts shipped to ACE Industries conform to specifications. In a sample of 250 parts, it was found that 22 did not conform to specifications. For α = 0.01, should we reject the manufacturers claim?