Advantages of being able to apply barnlund’s transactional model to their workplace communication.

Which of the following are considered needs? check all that apply

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%.

Acountry made education free in mandatory up to age 15. it is established 100 new schools to educate kids across the country. as a result, citizens acquired the _ required to work. the school's generated _ for teachers and other staff. in 20 years, to countryside rapid _ and its gdp.