Email
Chat with tutors
logo

Ask Questions, Get Answers

X
 
Questions  >>  CBSE XII  >>  Math  >>  Probability
Answer
Comment
Share
Q)

An item is manufactured by three machines A,B and C.Out of the total number of items manufactured during a specified period,50% are manufactured on A,30% on B and 20% on C.2% of the items produced on A and 2% of items produced on B are defective,and 3% of these produced on C are defective.All the items are stored at one godown.One item is drawn at random and is found to be defective.What is the probability that it was manufactured on machine A?

$\begin{array}{1 1}(A)\;\large\frac{5}{11}\\(B)\;\large\frac{6}{11}\\(C)\;\large\frac{3}{11}\\(D)\;\large\frac{9}{11}\end{array} $

1 Answer

Home Ask Tuition Questions
Your payment for is successful.
Continue
...