Can your class tell the difference between tap water and bottled water? Set up an experiment as follows: fill r glasses with tap water and n − r glasses with bottled water. The subject has to guess which is which. If she gets more than p correct, you conclude she can tell the difference. Write up a report of the experiment including:

(a) A description of the experimental procedure,

(b) Your choice of n, r and p, with reasons,

(c) The power of your test,

(d) Your conclusions.