Statistics (12th Edition)

Published by Pearson
ISBN 10: 0321755936
ISBN 13: 978-0-32175-593-3

Chapter 5 - Continuous Random Variables - Exercises 5.1 - 5.19 - Learning the Mechanics: 5.4f

Answer

0.25

Work Step by Step

$P(20.5 \leq x \leq 25.5) = ∫_{20.5}^{25.5} f(x).dx$ = $∫_{20.5}^{25.5} \frac{1}{d-c}.dx$ = $∫_{20.5}^{25.5} \frac{1}{20}.dx$ = 1/20 (25.5-20.5) = 5/20 = 0.25
Update this answer!

You can help us out by revising, improving and updating this answer.

Update this answer

After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.