The Basic Practice of Statistics 7th Edition

Published by W. H. Freeman
ISBN 10: 146414253X
ISBN 13: 978-1-46414-253-6

Chapter 13 - General Rules of Probability - Chapter 13 Exercises - Page 322: 13.36b

Answer

P(at least 10000 | at least 30000) = P(at least 10000 and at least 30000) / P(at least 30000) = 0.135 / 0.523 = 0.258

Work Step by Step

As given above
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