How do I solve part b of this problem?

\\.:y -- A polling company split a random sample in half and asked 549 respondents the question, "Generally speaking, do you believe the death penalty is applied fairly or unfairly in this country today?\" The pollsters asked the other 549 respondents the question, "Generally speaking, do you believe the death penalty is applied unfairly or fairly in this country today?\" This seems like the same question, but sometimes the order of the choices matter. Of those asked the first question, 67% said they thought the death penalty was fairly applied. Of those asked the second question, Tm said the same thing. Complete parts a through c below. a} What kind of bias seems most likely to be present here? .3 Response bias Voluntary response bias A bias arising from convenience sampling Nonresponse bias b) If one combines the 2 groups, considering the overall group to be 1 larger random sample of 1098 respondents, what is a 95% confidence interval for the proportion of the general public that thinks the death penalty is being fairly applied? . } [Round to two decimal places as needed.) ._L__.._.._ ___...__:_ L..- _J:1.l:_IJ_ __JL.___ _.:_..m___..n _______ m