Question

• In a manufacturing plant, machines A, B, and C all
produce the same two parts, W and M. Of all the parts
produced, machine A, produces 35 %, machine B
produces 45 % and machine C produces 20 %. 80 %
of the parts made by machine A are part W. 65% of
the parts made by machine B are part W and 30 % of
the parts made by machine C are part W. A part
produced by this company is randomly selected and is
determined to be a W part. With the knowledge that it
is an W part, revise the probabilities that the part
came from machine A, B or C. (Winter 2015)​

Answer 1

Answer:

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