In a new poll with regard to the future of the Canadian Senate, 70% of the respondents indicated that they would like to have a vote with respect tot he upper chamber's future. Furthermore, 50% of the respondents said they would like to see the Senate abolished, while 40% of the respondents said they would like it to be kept as is. If keeping the Senate or abolishing it represents two mutually exclusive events, what is the probability that a randomly chosen respondent would belong to either of the two groups?
Attachment:- STAT ASS 1.pdf