Suppose that the following table records the average daily number of traffic accidents reported in the 20 areas of UK. Assuming that the occurrence of traffic accidents in the districts is random and follows the Poisson distribution, estimate the number of districts having various number of traffic accidents on a particular day and complete the table.

A First Course in Probability (10th Edition)
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Chapter1: Combinatorial Analysis
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  1. Suppose that the following table records the average daily number of traffic accidents reported in the 20 areas of UK. Assuming that the occurrence of traffic accidents in the districts is random and follows the Poisson distribution, estimate the number of districts having various number of traffic accidents on a particular day and complete the table.

 

Number of cases

0

1

2

3

4

>4

Observed number of area

1

4

6

5

2

0

Theoretical probability

 

 

 

 

 

 

Estimated number of districts

 

 

 

 

 

 

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