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Trains headed for destination A arrive at the trainstation

First Course in Probability | 8th Edition | ISBN: 9780136033134 | Authors: Norman S. Nise ISBN: 9780136033134 163

Solution for problem 5.10 Chapter 5

First Course in Probability | 8th Edition

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First Course in Probability | 8th Edition | ISBN: 9780136033134 | Authors: Norman S. Nise

First Course in Probability | 8th Edition

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Problem 5.10

Trains headed for destination A arrive at the trainstation at 15-minute intervals starting at 7 A.M.,whereas trains headed for destination B arrive at15-minute intervals starting at 7:05 A.M.(a) If a certain passenger arrives at the station ata time uniformly distributed between 7 and8 A.M. and then gets on the first train thatarrives, what proportion of time does he orshe go to destination A?(b) What if the passenger arrives at a time uniformlydistributed between 7:10 and 8:10A.M.?

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9/29/2017 STT 351 STT 351 Notes 2 Given a random variable, we can associate probability to subsets of real numbers Probability Model Tossing a coin, Rolling a die, Roulette wheel The experiment has random outcomes. We want to assign chance (probability) to subsets outcomes. S = totality of outcomes A = a subcollection of outcomes Associate P(A) probability for A Example: Toss a fair coin S = {H,T} A = {H} P({H}) = ½ Two assumptions: 1. Number of outcomes is finite 2. Each outcome has equal chance P({H}) = ½ Example: Rolling a die S = {1,2,3,4,5,6} A = even number of outcomes = {2,4,6}

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Chapter 5, Problem 5.10 is Solved
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Textbook: First Course in Probability
Edition: 8
Author: Norman S. Nise
ISBN: 9780136033134

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Trains headed for destination A arrive at the trainstation