1. Show the statements below which are sampling from a finite population and sampling from an unlimited population. (weights 50)
a. Get a sample of drivers who did not have a SIM at the time of the raid on motor vehicles in Jakarta.
b. Get a sample of students in a statistics course at University.
c. Get a sample of defective products manufactured by PT Kraft.
d. Get samples of processed food orders through the grab application.
e. Get a sample of the cars that cross the Toll Road on a normal weekday.

2. A car company is estimating the sales of cars that have been carried out by sales in 2017. Testing is done by taking 25 sales samples. Sales had an average sales of 50 cars during 2017 with a standard deviation of 8 cars. If the confidence level is 95%, then determine the estimated value of the number of cars sold in 2017. (weight 50)