Answer
77.1
Work Step by Step
total score = (75x0.3)+(52x0.05)+(85x0.1)+(74x0.15)+(81x0.4)
= 77.1
Introductory Statistics 9th Edition
by Mann, Prem S.
Published by
Wiley
ISBN 10:
1-11905-571-7
ISBN 13:
978-1-11905-571-6
Chapter 3 - Section 3.1 - Measures of Center for Ungrouped Data - Exercises - Page 89: 3.20
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