A small grocery store is considering installing an express checkout line. Let X be the number of
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Question:
A small grocery store is considering installing an express checkout line. Let X be the number of customers in the regular checkout line. Note that these numbers include the customers being served, if any. The probability distribution of X is given in the table below.
x | 0 | 1 | 2 | 3 |
P(X=x) | 0.28 | 0.22 | 0.26 | 0.24 |
Find the probability that at least two people are in line.
Related Book For
Introduction to Probability
ISBN: 978-0716771098
1st edition
Authors: Mark Daniel Ward, Ellen Gundlach
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