A consulting firm rents cars from three agencies, 20% fromagency D, 20% from age

Question

A consulting firm rents cars from three agencies, 20% fromagency D, 20% from agency E, and 60% from agency F. if 10% of the cars from D, 12% of the cars from E, and 4% ofthe cars from F have bad tires, what is the probability that thefirm will get a car with bad tires? ------------------------------------------------ Please explain step by step... thank you in advance.. A consulting firm rents cars from three agencies, 20% fromagency D, 20% from agency E, and 60% from agency F. if 10% of the cars from D, 12% of the cars from E, and 4% ofthe cars from F have bad tires, what is the probability that thefirm will get a car with bad tires? ------------------------------------------------ Please explain step by step... thank you in advance..

Explanation / Answer

In discrete case E[x] = Xi *pi where Xi is your random event and pi is the probability of this event. E[x]= 0.1*0.2+0.12*0.2+0.04*0.6=0.068

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