Problem:
Please provide step by step instructions to complete the questions asked. This is the only information given in the book.
Suppose the standard deviation of the market return is 20%
1) What is the standard deviation of returns on a well-diversified portfolio with a beta of 1.3?
2) What is the standard deviation of returns on a well-diversified portfolio with a beta of 0?
3) A well-diversified portfolio has a standard deviation of 15%. What is its beta?
4) A poorly diversified portfolio has a standard deviation of 20%. What can you say about its beta?