Can I please have help on the following problem? Thank you!

21. A senator feels that the majority (over 50%) of voters favor abolishing the Electoral College. He surveys a random sample ofn = 1150 voters and finds that 608 favor eliminating the Electoral College. (a) At the a = 0.01 level of significance, do the data provide evidence that the proportion of voters who support abolishing the Electoral College is greater than 50%? "DUDESSidesofstandongin (b) Calculate and interpret a 98% confidence interval for the proportion of voters who support abolishing the Electoral College. Round to three (3) decimals