PLS HEL TY The industry, which enables workers to electronically exchange data, continues to grow. Its increased use requires more and more as an ever-increasing number of workers access its technology. Gone are the days when an office could get by with a simple system of telephones and machines to make calls and exchange copies of documents. The use of the Internet is growing quickly. Many businesses are putting on their Web pages so they can determine the number of their site receives.

Stocks a, b, and c are similar in some respects: each has an expected return of 10% and a standard deviation of 25%. stocks a and b have returns that are independent of one another; i. e., their correlation coefficient, r, equals zero. stocks a and c have returns that are negatively correlated with one another; i. e., r is less than 0. portfolio ab is a portfolio with half of its money invested in stock a and half in stock b. portfolio ac is a portfolio with half of its money invested in stock a and half invested in stock c. which of the following statements is correct? a. portfolio ab has a standard deviation that is greater than 25%.b. portfolio ac has an expected return that is less than 10%.c. portfolio ac has a standard deviation that is less than 25%.d. portfolio ab has a standard deviation that is equal to 25%.e. portfolio ac has an expected return that is greater than 25%.