What is the volatility (standard deviation) of investing in the DAX from the perspective of a US investor?

Use the following information for questions 32 and 34. Let the expected euro return on the German stock market index, DAX, be 15%, and let its volatility be 20%. The volatility of the dollar/euro exchange rate is 10%. Assume the correlation between the return on the DAX (in euros) and the dollar/euro exchange rate is 0. Assume that the risk-free rate is 1% for a U.S. investor. Use the following information for questions 32 and 34. Let the expected euro return on the German stock market index, DAX, be 15%, and let its volatility be 20%. The volatility of the dollar/euro exchange rate is 10%. Assume the correlation between the return on the DAX (in euros) and the dollar/euro exchange rate is 0. Assume that the risk-free rate is 1% for a U.S. investor