Judging on the basis of? experience, a politician claims that 42% of voters in a certain area have voted for an independent candidate in past elections. Suppose you surveyed 20 randomly selected people in that? area, and 15 of them reported having voted for an independent candidate. The null hypothesis is that the overall proportion of voters in the area that have voted for an independent candidate is 42?%.
What value of the test statistic should you? report?