A town council has 11 members, 6 Democrats and 5 Republicans.

Question

If a 3‐person committee is selected at random, what is the probability that
Republicans make up the majority?

Answer 1

So you want 2 R's and 1 D

prob = C(5,2)xC(6,1)/C(11,3)
= 10(6)/165
= 4/11

Answer 2

Building an Income Statement Papa Roach Exterminators, Inc., has sales of $586,000, costs of $247,000, depreciation expense of $43,000, interest expense of $32,000, and a tax rate of 35 percent. What is the net income for this firm?