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.