(a) State the null and alternative hypotheses and (b) state whether the test of hypothesis will be a two-tailed test, a right-tailed test, or a left-tailed test.
A radio station advertising manager wants to test the hypothesis that the percent of radio listeners in the area who listen to the manager's radio station is at least 40 percent. Suppose that a random sample of 100 radio listeners in the area revealed that 34 listen to the manager's station.