Answer
3/8
Work Step by Step
If the first bit contains a 1 and we want at least two consecutive 0's, then for the next three numbers, we must either have 001, 100, or 000. Since there are 8 possible strings, the conditional probability is 3/8.
Discrete Mathematics and Its Applications, Seventh Edition
by Rosen, Kenneth
Published by
McGraw-Hill Education
ISBN 10:
0073383090
ISBN 13:
978-0-07338-309-5
Chapter 7 - Section 7.2 - Probability Theory - Exercises - Page 467: 25
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