Refer to Exercise 56. Suppose 9 of the 13 stocks are growth stocks and four are income stocks.
In Exercise 56
Samir is selecting stocks for his portfolio. He has 13 candidate stocks from which he intends to select eight. How many different portfolios of eight stocks are possible?
a. How many of the possible eight-stock portfolios that you counted in Exercise 56 would consist of exactly fve growth stocks and three income stocks?
b. If you just randomly selected eight of the 13 stocks, how likely is it that your portolio would end up containing exactly fve growth stocks and three income stocks?