Statistics: Informed Decisions Using Data (4th Edition)

Published by Pearson
ISBN 10: 0321757270
ISBN 13: 978-0-32175-727-2

Chapter 5 - Section 5.3 - Assess Your Understanding - Applying the Concepts - Page 285: 18a

Answer

$P(two~randomly~selected~40-year-old~females~will~live~to~be~41~years~old)=0.9971021025$

Work Step by Step

$P(a~40-year-old~female~will~live~to~be~41~years~old)=0.99855$ Now, using the Multiplication Rule (see page 282): $P(two~randomly~selected~40-year-old~females~will~live~to~be~41~years~old)=$ $=P(a~40-year-old~female~will~live~to~be~41~years~old)\times P(a~40-year-old~female~will~live~to~be~41~years~old)=$ $0.99855\times 0.99855=0.9971021025$
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