Question: According to an exit poll in the 2006 Virgina senatorial election, 50.1% of the sample of size 2011 reported voting for James Webb. Is this enough evidence to predict who won? Test that the population proportion who voted for Webb was 0.50 against the alternative that is differed from 0.50. Answer by

a. Identifying the variable and parameter, and defining notation

o Variable is quantitative,

o p

b. Stating hypothesis and checking assumptions for a large sample test

o That 50.1% of the vote designates who the winner is 0.50,1%

c. Reporting the P-value and interpreting it (the test statistic equals 0.09)

o Z=39.03124139

d. Explaining how to make a decision for the significance level of 0.05