At a concert on campus, 20% of people purchase Zone A tickets, for $47 each. The other

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At a concert on campus, 20% of people purchase Zone A tickets, for $47 each. The other 80% of people purchase Zone B tickets, for $38 each. If five people are selected at random, what is the variance of the revenue from these five ticket sales?
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Introduction to Probability

ISBN: 978-0716771098

1st edition

Authors: Mark Daniel Ward, Ellen Gundlach

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