Q. 294.8( 4 Votes )

The members of a

Answer :

Let A be the event that car delivered to firm needs service and tuning.


Also, let E1, E2 and E3 be the events of car being rented from agencies X, Y and Z respectively.


Probability of car being rented from x=



Probability of car being rented from y=



Probability of car being rented from z=



Also,





We know from Bayes’ theorem,







We know that P(a’) = 1 – P(a), so,




Hence,


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