27. Politics again Have another look at the table showing Stats students' political views in Exercise 25.
a) What's the marginal distribution of Politics?
b) What's the conditional distribution of Politics among
the males?
c) What's the conditional distribution of Politics among
the females?
d) Do you think a student's political outlook is indepen-
dent of the student's sex? Explain.

The mountain springs water company has two departments, purifying and bottling. the bottling department received 67,000 liters from the purifying department. during the period, the bottling department completed 65,000 liters, including 3,000 liters of work in process at the beginning of the period. the ending work in process was 5,000 liters. how many liters were started and completed during the period?