Through observation, it has been determined that the probability for a given number of people waiting in

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Through observation, it has been determined that the probability for a given number of people waiting in line at the “5 items or less” checkout register of a supermarket is as follows: 

Number waiting in line 3 1 4 or more Probability 0.20 0.10 0.15 0.24 0.31


Find the probability of: 

(a) At most 2 people in line 

(b) At least 2 people in line 

(c) At least 1 person in line

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Related Book For  answer-question

Precalculus

ISBN: 978-0321716835

9th edition

Authors: Michael Sullivan

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