Answer
P(mushrooms | thick crust) = P(mushrooms and thick crust) / P(thick crust)
= 2/7 / 3/7
= 2/3 = 0.667
Work Step by Step
As given above
The Basic Practice of Statistics 7th Edition
by Moore, David S.; Notz, William I.; Fligner, Michael A.
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: 13.37a
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