Answer
Let P(E) = Crashes
and F = Crash occured on a curve
P(E|F) = P(E ∩ F) / P(F)
0.3 = 0.12 / P(Crash Occured on a curve)
P(Crash Occurred on a curve) = 0.12/0.3
= 0.4
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 - Basic - Page 146: 3.79
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