Answered: Assume a parity-based error detection…

Assume a parity-based error detection scheme where 1 data bit is padded with 1 parity bit (giving 2 bit codewords). Assume a 0.1 probability that any given bit will be in error.

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Question

Assume a parity-based error detection scheme where 1 data bit is padded with 1 parity bit
(giving 2 bit codewords). Assume a 0.1 probability that any given bit will be in error.
a. What is the probability that a codeword will arrive without any errors?
b. What is the probability that a codeword will arrive with an error that is correctly
detected?
с.
What is the probability that a codeword will arrive with an error that is not detected?

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