The Probability That a Call Received by a Certain Switchboard

question 18

Multiple Choice

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. Round your answer to four
Decimal places.

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

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Definitions:

Financial and Profit Model

A theoretical construct that represents the economic operations of a business, detailing how revenue is generated, costs are incurred, and profits are made.

Situation Assessment

The process of evaluating the current state of an environment or situation to inform decision-making and strategy formulation.

Impact/Likelihood Matrix

A tool used in risk management to evaluate and prioritize risks based on their potential impact and the likelihood of occurrence.

Assess External

The process of evaluating factors outside of an organization that could impact its performance, including market trends, economic conditions, and competitive landscape.