A newspaper conducted a statewide survey concerning the 1998 race for state senator. The newspaper took a SRS of n=1200 registered voters and found that 620 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 testH0:p=.50 Ha:p>.50(a) What is the z-statistic for this test?____.(b) What is the P-value of the test?_____.