Use the Poisson Model to Approximate the Probability

question 42

Multiple Choice

Use the Poisson model to approximate the probability. Round your answer to four decimal places.
-The probability that a call received by a certain switchboard will be a wrong number is 0.02. Use the Poisson distribution to approximate the probability that among 150 calls received by the switchboard, there are at least
Two wrong numbers.

• A) 0.8009
• B) 0.5768
• C) 0.1991
• D) 0.2240
• E) 0.7760

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Definitions:

Power Plant Maintenance

The routine, preventative, and corrective maintenance tasks required to ensure the efficient and safe operation of a power generation facility.

Unexpected Failure

The sudden malfunction or breakdown of equipment or systems that were not anticipated based on their performance history or maintenance schedules.

Redundant Part

A component in a system designed as a backup or fail-safe, intended to function in case the primary part fails, ensuring reliability and continuity of operations.

Reliability

The measure of the probability that a system or component will perform its required functions for a specified period under stated conditions.