Mathematics, 19.11.2020 01:50, nathangirnet
The distance x, in feet, between successive cars on a certain stretch of highway has the following probability density function, where k=1/a and a is the average distance, in feet, between successive cars over some period of time. f(x)=ke−kx, for 0≤x<∞ A transportation planner determines that the average distance between cars on a certain highway is 140 ft. What is the probability that the distance between two successive cars, chosen at random, is 30 ft or less?
Answers: 3
Mathematics, 21.06.2019 21:00, villanuevajose95
A. s.a.! this is a similarity in right triangles. next (solve for x)a.) 12b.) 5c.) 12.5d.) [tex] 6\sqrt{3} [/tex]
Answers: 2
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