2- There are 250 families in Scandia, Pennsylvania. A random sample of 40 of these families reveals that the median annual contribution to the church was $ 450, and the deviation standard, $ 75. Can the population mean be $ 445 or $ 425? The same study related to contributions to the church in Scandia revealed that 15 out of 40 families sampled continuously attend church. Construct the 95% confidence interval for the population of families who attend church continuously. Should the correction factor be used for a finite population? Why?