Question: Please solve problems 1-6. can you show the working, please? Thank you! 1. The iShares Bond Index fund (TLT) has a mean of 2% and

Please solve problems 1-6. can you show the working, please? Thank you!
1. The iShares Bond Index fund (TLT) has a mean of 2% and a standard deviation of returns of 12%. What is the 99% confidence interval for the returns on TLT? 2. Amazon.com stock prices gave a realized retum of 6%, -6%, 9%, and -9% over four successive quarters. What is the annual realized return for Amazon.com for the year? 3. As we decrease the number of stocks in a portfolio, the standard deviation of returns of the portfolio 4. Suppose you invested $59 in the iShares Dividend Stock Fund (DVY) a month ago. It paid a dividend of $0.73 today and then you sold it for $68. What was your retum on the investment %)? 5. If a stock retums 7.2% per year, what is the total number of years it takes for your investment of $1,000,000 to double in value? Answer to the nearest whole number 6. Bear Stearns' stock price closed at $99, $104, $60, $27, and $4 over five successive weeks. The weekly standard deviation of the stock price calculated from this sample is
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