SOLUTION: In an electrical firm, 75% of the employees are Bumiputras. Of the Bumiputras, 20% have graduate training, 50% have college training and others have only hig
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Question 1172487: In an electrical firm, 75% of the employees are Bumiputras. Of the Bumiputras, 20% have graduate training, 50% have college training and others have only high school training. Of non-bumiputras, 40% have graduate training, 20% have college training and others have high school training.
i)Draw a tree diagram to represent the above situation
ii)If an employee is selected at random, what is the probability that he has college training?
I really appreciate your help to solve my problems
Thank you. Answer by ewatrrr(24785) (Show Source):
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 =
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) =
