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BossKnight
28.06.2019 •
Mathematics
** ** the probability that a city bus is ready for service is 89%. the probability that a city bus is ready for service and has a working radio is 74%. find the probability that a bus chosen at random has a working radio given that is ready for service. round to the nearest tenth of a percenta. 87.3%b. 83 1%c. 15.0%d. 12%
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Ответ:
B
Step-by-step explanation:
Ответ:
cross multiply
3.5x=375
x=107.1%
7.1% increase