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Three machines produce the same parts.

Machine A produces 10% defective parts.
Machine B produces 5% defective parts.
Machine C produces 5% defective parts.

Suppose each machine produces 1/3 of the total production. A part is selected at random, and it is found to be defective. What is the probability that it was produced by machine B?
A) 19/56
B) 17/30
C) 1/2
D) 1/4

Three machines produce the same parts. Machine A produces 10% defective parts. Machine-example-1

1 Answer

7 votes

Answer:

20

Explanation:

just add the 13 to A and B

User Mrasoolmirza
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