Answer
7955 of 8130 people now in REM state were previously not in wake state, so
P(Not Wake|REM) = 7955 / 8130
= 0.979
Work Step by Step
As given in answer
Statistics (12th Edition)
by McClave, James T.; Sincich, Terry T.
Published by
Pearson
ISBN 10:
0321755936
ISBN 13:
978-0-32175-593-3
Chapter 3 - Probability - Exercises 3.63 - 3.97 - Applying the Concepts - Intermediate - Page 147: 3.84b
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