8002 무료 덤프문제 온라인 액세스

Let X be a random variable normally distributed with zero mean and let . Then the correlation between X and Y is:

• A.negative
• B.not defined
• C.positive
• D.zero

You work for a brokerage firm that charges its client x per share. The volume of trade of a client of type A depends on the per share commission in the following manner. If the commission is x, the client of type A will trade e-ax shares on average each week. What is the optimal commission x that maximizes the income from client A, noting that a is greater than zero?

• A.a
• B.42
• C.1
• D.a2

Find the roots, if they exist in the real numbers, of the quadratic equation

• A.4 and -2
• B.-4 and 2
• C.1 and 0
• D.No real roots

The correlation between two asset returns is 0.5. What is the largest eigenvalue of their correlation matrix?

• A.None of the above
• B.1
• C.0.5
• D.1.5

What is the 40th term in the following series: 4, 14, 30, 52, ...?

• A.4840
• B.240
• C.4598
• D.4960