Which of These Statements Concerning the Systems Development Life Cycle

question 46

Multiple Choice

Which of these statements concerning the systems development life cycle is true?

• A) Designing the system is the first step in the SDLC.
• B) No phase can occur until the previous phase is completed.
• C) Although each phase is presented discretely, it is never accomplished as a separate step.
• D) There is widespread agreement that the SDLC is composed of seven phases.

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Definitions:

Probability

A quantification of the chance that a specific event happens, represented as a number ranging from 0 to 1.

Poisson Approximation

A methodology in statistics used to approximate the probability of a given number of events happening in a fixed interval of time or space.

Probability

The measure of likelihood that an event will occur, expressed as a number between 0 and 1.

Random Variable

A variable whose values depend on outcomes of a random phenomenon. It can be discrete or continuous.