The University Police Department Must Write, on Average, Five Tickets

question 18

Multiple Choice

The university police department must write, on average, five tickets per day to keep department revenues atbudgeted levels. Suppose the number of tickets written per day follows a Poisson distribution with a mean of9.6 tickets per day. Find the probability that less than six tickets are written on a randomly selected day fromthis distribution.

• A) 0.083815
• B) 0.157447
• C) 0.916185
• D) 0.842553

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Definitions:

Independent Variable

In research, a factor that is manipulated or changed to observe its effect on a dependent variable, without being influenced by other variables.

Experimental Group

In an experiment is the group that is exposed to the independent variable.

Field Experiment

An experiment conducted in a natural setting rather than in a laboratory to study the effects of variables in real-life situations.

Social Life

The part of an individual's time spent engaging with others in society, encompassing both recreational and formal interactions.