In a bolt factory Machines A, B and C
manufacture respectively 25, 35 and 40 percent of the total. Out
of their total output 5, 4 and 2 percent are defective. A bolt
drawn from the procedure at random is found to be defective.
What is the probability that it is manufactured by (i) factory A
(ii) factory C ?
Ans :
The probability that the BOLT is
manufactured by
(i) factory A = 0.36 or 36 %
(ii) factory C = 0.23 or 23 %
( For Detail Calculation see the
next table, where Baye's Theorem Principle has been used )
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