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the probability that a city bus is ready for service when needed is 77%. the probability that a city bus is ready for service and has a working radio is 65%. find the probability that a bus chosen at random has a working radio given that it is ready for service. round to the nearest tenth of a percent.

Respuesta :


[tex] \dfrac{77}{100} \times \dfrac{65}{100} \\ = \dfrac{5005}{10000} \\ = 50.05\%[/tex]

Hope this helps. - M

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