Please help me with these questions. I don't need detailed explanations and calculations (just ABC) but if it is feasible, please post your draft! Please be careful, most of the time, experts give me many wrong answers (especially in Sta and Pro). Thanks so much, my pro!!!

15. In a poll of 1005 individuals, 40% said that they are worse off financially now than a year ago. From the calculation of the 99% confidence interval for the actual population proportion of individuals who think that they are worse off financially now than a year ago it can be concluded that: a. It is possible that the majority of the population feel they are financially worse off now b. It is possible that the majority of the population feel they are financially better off now c. No conclusion can be drawn about the proportion-of the people who feel they are financially worse off now than one year ago