Question:
Joint Distribution of Employment status and College Graduation in the U.S. Population Aged 25-64, 1990
Unemployed (Y = 0)                     Employed (Y = 1)                           Total
| 
 Non-college grads (X=0) 
 | 
 0.045 
 | 
 0.709 
 | 
 0.754 
 | 
| 
 College grads (X=1) 
 | 
 0.005 
 | 
 0.241 
 | 
 0.246 
 | 
| 
 Total 
 | 
 0.050 
 | 
 0.950 
 | 
 1.000 
 | 
a. Compute E(Y ).
b. The unemployment rate is the fraction of the labor force that is unemployed. Show that the unemployment rate is given by 1-E(Y ).
c. Calculate E(Y|X = 1) and E(Y |X = 0)
e. A randomly selected member of this population reports being unemployed. What is the probability that this work is a college graduate? A non-college graduate?
f. Are education achievement and employment status independent? Explain.