Part 7 Attempt 1/1 For the next few parts, assume a portfolio of 70% stock and 30% S&P 500. If you rebalanced such a portfolio every week to keep the weights at 0.7/0.3, what was the holding period return over the 10 weeks for the portfolio? Enter your answer as a decimal number (not in percent). 3+ decimals Save Part 8 Attempt 1/1 What is the standard deviation of weekly returns for such a portfolio if you rebalanced every week? Enter your answer as a decimal number (not in percent). 4+ decimals Save Part 9 Attempt 1/1