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

question 85

Short Answer

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 6.4 tickets per day.Find the probability that less than 6 tickets are written on a randomly selected day from this population.

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Definitions:

Standard Deviation

A method for estimating the dispersion or the degree of spread within a range of values.

Mode

The most common number found in a set of data.

Outliers

Data points that differ significantly from the majority of a data set, often indicating a variance or error in measurement.

Variability

The tendency of data points in a dataset to vary from each other and from the mean of the dataset.