A newspaper conducted a statewide survey concerning the 1998 race for state senator. The newspaper took a SRS of n=1100 registered voters and found that 570 would vote for the Republican candidate. Let p represent the proportion of registered voters in the state who would vote for the Republican candidate.
We test
Ho: p=0.50
Ha: p >0.50
(a) What is the z statistic for this test?
(b) What is the P-value of the test?