Answer
$E(x)=118$ 18- to 24-year-olds.
Work Step by Step
$λ=\frac{23.6}{100}=0.236$ and $t=500$
$E(x)=λt=0.236\times500=118$
Statistics: Informed Decisions Using Data (4th Edition)
by Sullivan III, Michael
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 352: 23a
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