The amount of time cars are parked in a parking lot follows an exponential probabilitylaw with parameter 1. The charge for parking in the lot is $1 for each half-hour or less.(a) Find the probability that a car pays k dollars.(b) Suppose that there is a maximum charge of $5. Find the probability that a car pays kdollars.

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Answered: The amount of time cars are parked in a…

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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A person with a cough is a persona non grata on airplanes, elevators, or at the theater. In theaters especially, the irritation level rises with each muffled explosion. According to Dr. Brian Carlin, a Pittsburgh pulmonologist, in any large audience you'll hear about 14 coughs per minute. Find the probability of at least five coughs (in a large auditorium) in a 27-second period. (Use 4 decimal places.)
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