4. manager wants to give a pay rise to everyone who is paid less than the average salary.
This table shows the annual salaries of the employees in the company.
Employee
Salary (in £ thousands)
AJ
16
TM
23
WF
23
SW
22
MT
15.5
RD
18.5
JR
20
LS
23
PB
36
Tick all of the employees who are paid less than the median salary.

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%.