Between 12:00 PM and 1:00 PM , cars arrive at Citibanks drive-thru at the rate of 6
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Between 12:00 PM and 1:00 PM, cars arrive at Citibank’s drive-thru at the rate of 6 cars per hour (0.1 car per minute). The following formula from probability can be used to determine the probability that a car will arrive within t minutes of 12:00 PM:
F(t) = 1 - e-0.1t
(a) Determine the probability that a car will arrive within 10 minutes of 12:00 PM (that is, before 12:10 Pm).
(b) Determine the probability that a car will arrive within 40 minutes of 12:00 PM (before 12:40 Pm).
(c) What value does F approach as at becomes unbounded in the positive direction?
(d) Graph Fusing a graphing utility.
(e) Using INTERSECT, determine how many minutes are needed for the probability to reach 50%.
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