Answer
E(x) = 3.5
Work Step by Step
Each face of a fair die has P(X = x) = $\frac{1}{6}$
E(x) = $\frac{1}{6}\times(1+2+3+4+5+6)$ =3.5
Finite Math and Applied Calculus (6th Edition)
by Waner, Stefan; Costenoble, Steven
Published by
Brooks Cole
ISBN 10:
1133607705
ISBN 13:
978-1-13360-770-0
Chapter 8 - Section 8.3 - Measures of Central Tendency - Exercises - Page 576: 17
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