Answer
P(a randomly selected adult has shopped on the internet) =0.66
Work Step by Step
Let us denote A = event,
P(a randomly selected adult has shopped on the internet) = $\frac{frequency of A}{Sample size}$
= $\frac{1320}{2000}$
=0.66
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 4 - Section 4.2 - Calculating Probability - Exercises - Page 140: 4.21
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