Compute Probabilities of a Poisson Random Variable

question 85

Multiple Choice

Compute Probabilities of a Poisson Random Variable
-The university police department must write, on average, five tickets per day to keep department revenues at budgeted levels. Suppose the number of tickets written per day follows a Poisson distribution with a mean of 9 tickets per day. Find the probability that less than six tickets are written on a randomly selected day from this distribution.

• A) 0.115691
• B) 0.206781
• C) 0.884309
• D) 0.793219

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Definitions:

Social Security

A program run by the government that offers monetary assistance to individuals who are retired, have disabilities, or are surviving dependents of deceased employees.

Social Security Payments

Government-provided financial support that people receive upon retirement, disability, or other eligibility criteria to ensure a basic level of income.

Disabled Workers

Individuals who are unable to engage in employment due to physical, mental, or emotional impairments.

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Individuals who have ended their professional careers and are often receiving pensions or retirement benefits.