Answer
0.375
15 of 40 Internet stocks Increased.
Work Step by Step
The table shows that $n(V\cap I)=15$
Also, $n(I)=40$
$\frac{n(V\cap I)}{n(I)}=\frac{15}{40}=0.375$
It represents that 15 of 40 Internet stocks Increased.
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 6 - Section 6.2 - Cardinality - Exercises - Page 417: 51
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