Old people often have a hard time finding work. AARP reported on the number of weeks it takes a worker aged 55 plus to find a job. The data were based on a random sample of 40 people with sample mean 22 and sample standard deviation 12. Please construct a 95%% confidence interval estimate for the mean number of weeks it takes a worker aged 55 plus to find a job. (18.162. 25.838) (18.803, 25.1971 [18.165, 25.835] (18.281, 25,719]