a sample of 1000 adults were surveyed and asked whether they thought their kids would be better off than they were. please place a 95% confidence interval around the population proportion of those who believe their kids will be better off than they were (they answered yes on the survey). data set is childoutlook.xlsx. group of answer choices confidence interval lower limit .19 upper limit .26 confidence interval lower limit .21 upper limit .27 confidence interval lower limit .20 upper limit .25 confidence interval lower limit .19 upper limit .29 flag question: question 15