Answer
Correct option is:
(c) 3/10
Work Step by Step
Because out of 10 digits, there are 3 digits greater than 7 and each has an equal probability, so P(x > 7) will be 3/10
The Basic Practice of Statistics 7th Edition
by Moore, David S.; Notz, William I.; Fligner, Michael A.
Published by
W. H. Freeman
ISBN 10:
146414253X
ISBN 13:
978-1-46414-253-6
Chapter 12 - Introducing Probability - Check Your Skills - Page 298: 12.29
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