Gce Model Questions Vol1 2018 Computer Studies Question 39

Practice objective / multiple choice question 39 from the 2018 Gce Model Questions Vol1 Computer Studies examination.

Gce Model Questions Vol1 2018 Computer Studies Objective / Multiple Choice Medium Difficulty
Question 39 GCE_MODEL_QUESTIONS_VOL1 • 2018 • COMPUTER_STUDIES • objective

A communication channel has a bit‑error rate of 0.001 (i.e., each transmitted bit has a 0.1 % chance of being flipped). A message consisting of 1,200 bits is sent. (a) What is the probability that the message is received with no errors? (b) The message uses an even‑parity check bit that can detect any odd number of bit errors. Using a Poisson approximation, estimate the probability that an error goes undetected (i.e., an even number of bits are flipped, at least two).

Answer Options

A. (a) Approximately 0.35 (35 %). (b) Approximately 0.20 (20 %).
B. (a) Approximately 0.25 (25 %). (b) Approximately 0.18 (18 %).
C. (a) Approximately 0.28 (28 %). (b) Approximately 0.30 (30 %).
Correct Answer D. (a) Approximately 0.30 (30 %). (b) Approximately 0.24 (24 %).
Correct Answer
D
Correct Option:
(a) Approximately 0.30 (30 %). (b) Approximately 0.24 (24 %).

About This Question

This is Gce Model Questions Vol1 2018 Computer Studies Question 39. It is one of the objective questions from the 2018 Gce Model Questions Vol1 Computer Studies examination.

Difficulty level: Medium .

View More Gce Model Questions Vol1 2018 Computer Studies Questions More Gce Model Questions Vol1 Practice Questions Back to Questions

Master the Exam!

You've seen a preview, but there are thousands more questions plus AI tutor to break down complex solutions.

Unlock Full Access Available for Android & Windows
Chat with Support