What is the optimum portfolio assuming short sales but no riskless lending and borrowing with p =

Question:

What is the optimum assuming short sales but no riskless lending and borrowing with p = 0.5 for all pairs of securities? Use the data in Problem 4.
In Problem 4

What is the optimum portfolio assuming short sales but no

Portfolio
A portfolio is a grouping of financial assets such as stocks, bonds, commodities, currencies and cash equivalents, as well as their fund counterparts, including mutual, exchange-traded and closed funds. A portfolio can also consist of non-publicly...