QUESTION 1
System Components include entities, attributes and resources.
Cite an example of these components for the gives systems
Type of System
Entities
Attributes
Resources
Bus System
Communications
Barbershop System
                                                                                  
(UN,9)
(b) A random variable X has a probability mass function defined
by
               
                    
PX=x=kx-1,                  
if x=2, 3k8-x,   
           if
x=4, 5,
6           
0                        
otherwise     
       i) Write out the
probability mass function of X.    
         
       
       ii) Find the expectation of
(2X).         
                  
                 
       iii)...