You Propose a Code in Which Each Two-Digit Binary Message

question 75

Multiple Choice

You propose a code in which each two-digit binary message word a₁ a₂ has appended a parity-check digit c₁ = a₁ + a₂. Which of the following is a true statement?

• A) The code can detect and correct any single-digit error.
• B) The code can detect any single-digit error and correct some but not all single-digit errors.
• C) The code can detect any single-digit error, but it cannot correct any single-digit error.
• D) The code can detect some but not all single-digit errors.

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Definitions:

Average Family Income

The mean amount of money earned by members of a family in a given period, often used to measure economic status.

Confidence Interval

A span of numbers obtained from sample observations, expected to encompass the value of an unseen population characteristic.

Null Hypothesis

A statement or hypothesis that indicates no statistical significance or effect, essentially asserting that any observed differences are due to chance.

Alpha Level

Alpha level, often denoted as α, is a threshold value used in statistics to determine the significance of a result, especially in hypothesis testing; it represents the probability of erroneously rejecting the null hypothesis.