Statistics: Informed Decisions Using Data (4th Edition)

Published by Pearson
ISBN 10: 0321757270
ISBN 13: 978-0-32175-727-2

Chapter 6 - Section 6.3 - Assess Your Understanding - Applying the Concepts - Page 351: 12c

Answer

$P(at~least~eight)=0.821$ On about 821 of every 1000 days, there will be at least 8 calls between 3:10 p.m. and 3:15 p.m.

Work Step by Step

$P(at~least~eight)=P(x\geq8)=1-P(x\lt8)=1-0.179=0.821$
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.