A mutual fund company has 6 funds that invest in the U.S. market and 4 that invest in international markets.
A customer wants to invest in two U.S. funds and 2 international funds.
a. How many different sets of funds from this company could the investor choose?
b. Unknown to this investor, one of the U.S. funds and one of the international funds will seriously underperform next year. If the investor selects funds for purchase at random, what is the probability that at least one of the chosen funds will seriously underperform next year?