Question 1172487
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Hi  

	0.75				0.25	
0.20	0.50	0.30		0.40	0.20	0.40
Grad  C0llege  Other	 Grad C0llege  Other
ii)If an employee is selected at random, what is the probability that he has college training?
Independ3ent Events
P = {{{highlight_green(.75(.50) + .25(.20))}}}
iii)Given that the employee selected has graduate training, what is the probability  that he is a Bumiputra.
P(A|B) = P(A and B)/P(B) Bayes Theorem
P =(Bumiputra|graduate) = P(BOTH)/P(grad) = {{{highlight_green( .75(.20)/ (.75(.20) + .25(.40)))}}}