Answer
P = 0.05
Work Step by Step
For bus to be late more than 19 minutes:
$P(19 < x < 20) = 1/20 ∫_{19}^{20}.dx$
= 1/20 (20-19) = 0.05
Statistics (12th Edition)
by McClave, James T.; Sincich, Terry T.
Published by
Pearson
ISBN 10:
0321755936
ISBN 13:
978-0-32175-593-3
Chapter 5 - Continuous Random Variables - Exercises 5.1 - 5.19 - Applying the Concepts - Intermediate - Page 230: 5.16b
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