There is a 50% probability that the sales of BFIS, Inc. will be $10 million next year, a 20% probability that they will be $5 million, and a 30% probability that they will be $3 million. Calculate the STANDARD DEVIATION of next year's sales.

Question 20 options:

1)	$10.2151 million

2)	$6.9 million

3)	$3.1765 million

4)	$4.805 million

Which of the following are inconsistent with the semi-strong form of the efficient market hypothesis?

Question 7 options:

1)	The January effect

2)	Small firm effect

3)	Mean reversion

4)	All of the above

5)	Both a and b