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The members of a consulting firm rent cars from three rental agencies: 52% from agency A, 36% from agency B and

12% from agency C. From previous statistics, it is known that 7% of the cars from agency A need a tune-up, 22% of the cars from agency B need a tune-up, and 5% of the cars from agency C need a tune-up.

( a )a tree diagram for the above scenario.

( b ) the probability that:  the rental car delivered to the firm will need a tune-up; ( ii )  the rental car delivered comes from agency B and need a tune-up.

( c ) car does not need a tune-up,

probability that the car comes from agency B.

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(a) See tree diagram in... View the full answer


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