Consider the following information:
  
Rate of Return If State Occurs
  State of
Probability of
  Economy
State of Economy
Stock A
Stock B
  Recession
.18
.07
−
.18
  Normal
.55
.10
.11
  Boom
.27
.15
.28
  
a.
Calculate the expected return for Stocks A and B. (Do
not round intermediate calculations and enter your answers as a
percent rounded to 2 decimal places, e.g., 32.16.)
b.
Calculate the standard deviation for Stocks A and B.
(Do not round intermediate...