Answer
a) z = 2.60
(b) A towing capacity of 18,000 pounds is about 2.60 standard deviations above the mean.
(c) Unusual
Work Step by Step
z = (18000 - 11830)/2370 = 2.60
z score between -2 and 2 is usual
Elementary Statistics: Picturing the World (6th Edition)
by Larson, Ron; Farber, Betsy
Published by
Pearson
ISBN 10:
0321911210
ISBN 13:
978-0-32191-121-6
Chapter 2 - Descriptive Statistics - Review Exercises - Page 119: 47
Update this answer!
You can help us out by revising, improving and updating this answer.
Update this answerAfter 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.
