A random sample of size 40 has a sample proportion of 0.325 and a test of H 0: π = 0.25 vs. H a: π ≠ 0.25 is conducted. Use this data for questions 3 through 8.
In a random sample selected for an election poll, 28 out of 50 persons state that they plan to vote for candidate Smith. The campaign team wishes to conduct a test to see if they can predict that Smith will be victorious. There is only one opponent. Use this data for questions 10 through 14.