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:

Trucks

Large motor vehicles designed for transporting goods or materials over long or short distances.

Import Tariff

A tax imposed by a government on goods and services imported from other countries, often to protect domestic industries.

Market Outcome

The result of all the buying and selling activities on the market prices, quantities sold, and quantities produced of goods and services.

Domestic Price

The price at which goods and services are sold within a country's borders, as opposed to international or export prices.