The polling agency wishes to test whether there is evidence that more than 50% of likely voters will likely vote for the incumbent.
a. State the null and alternative hypotheses for this test.
b. What is the value of the statistic?

In order to estimate the proportion of all likely voters who will likely vote for the incumbent in the upcoming city’s mayoral race, a random sample of 267 likely voters is taken, finding that 65% state they will likely vote for the incumbent.