1. Carol plans to visit Japan next week and wishes to convert $1,500 U.S. into yen to cover her travel expenses. If her travel agent quotes her an exchange rate of 120 yen divided by $120¥/$, how many yen will she obtain ?
2. TigerFood Inc. had annual returns of 10 percent; 16 percent; -18 percent; 7 percent; 30 percent and 27 percent in each of the last six years respectively. Calculate the standard deviation of TigerFood's returns.