SOLUTION: The city finds empirically that the probability that an automobile going through the intersection of 5th and Main will run a red light sometime during a given day is 8.9%, and the

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Question 1165872: The city finds empirically that the probability that an automobile going through the intersection of 5th and Main will run a red light sometime during a given day is 8.9%, and the probability that an automobile going through the intersection of 7th and Polk will run a red light sometime during a given day is 11.7%. Suppose a car is picked at random at 5th and Main on a given day and another at random at 7th and Polk. Write each probability as a percentage rounded to one decimal place.
What is the probability that neither car runs a red light?
Answer by ikleyn(52926)   (Show Source): You can put this solution on YOUR website!
.
The city finds empirically that the probability that an automobile going through the intersection
of 5th and Main will run a red light sometime during a given day is 8.9%,
and the probability that an automobile going through the intersection of 7th and Polk
will run a red light sometime during a given day is 11.7%.
Suppose a car is picked at random at 5th and Main on a given day and another at random at 7th and Polk.
Write each probability as a percentage rounded to one decimal place.
What is the probability that neither car runs a red light?
~~~~~~~~~~~~~~~~~~~~~ 

    P = (1-0.089)*(1-0.117) = 0.804413.    ANSWER

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