The Local Police Department Must Write,on Average,5 Tickets a Day

question 179

Multiple Choice

The local police department must write,on average,5 tickets a day to keep department revenues at budgeted levels.Suppose the number of tickets written per day follows a Poisson distribution with a mean of 6.5 tickets per day.Interpret the value of the mean.

• A)The number of tickets that is written most often is 6.5 tickets per day.
• B)Half of the days have less than 6.5 tickets written,and half of the days have more than 6.5 tickets written.
• C)If we sampled all days,the arithmetic average or expected number of tickets written would be 6.5 tickets per day.
• D)The mean has no interpretation since 0.5 ticket can never be written.

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Definitions:

Difference Threshold

The minimum difference in stimulation that a person can detect 50 percent of the time, also known as the just noticeable difference.

Stimulus

Anything in the environment that is detectable by an organism and can elicit a physical or behavioral response.

Receptor Cells

Receptor cells are specialized cells found in the senses (like those for taste, smell, and sight) that respond to specific stimuli by triggering an electrical signal.

Sense Organs

Specialized structures that detect external stimuli, allowing organisms to perceive the world around them.