Question

A poll right before an election finds that less than half of respondents (47%, SE = 2.2%) support candidate John J. Johnson,. The next day Johnson wins the election with 50.7% of the vote. Your uncle remarks that the poll was clearly wrong. Express what you think your uncle’s position is in terms of a research hypothesis, and decide whether he is correct or not at the .05 significance level. Explain your reasoning.

Answer 1

Let p denote the proportion of respondents