Certification Test ​ a Standard Certification Test Was Given at Three Locations.1,000

question 222

Short Answer

Certification Test ​
A standard certification test was given at three locations.1,000 candidates took the test at location A,600 candidates at location B,and 400 candidates at location C.The percentages of candidates from locations A,B,and C who passed the test were 70%,68%,and 77%,respectively.One candidate is selected at random from among those who took the test. ​ ​
-{Certification Test Narrative} If the selected candidate passed the test,what is the probability that the candidate took the test at location B?

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